I Was Heartbroken After Discovering My Girlfriend’s Infidelity, but Suddenly I Became Popular With Girls - 18

Chapter 18: Nanami (1)

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Nanami’s POV

It had been four years since my sister started dating Ryosuke-san. I never considered giving up, not even for a moment. My sister would definitely cheat. And then she would break up with Ryosuke-san. I had been preparing, believing that my chance would come at that moment.

I was prepared to wait as many years as it took for that time to arrive. 

Regarding that day—the day my sister was having sex with a man other than Ryosuke-san in her room. I hadn’t imagined it would go quite that well. The reason I decided to live on the first floor of my sister’s apartment in the first place was partly to monitor her infidelities. But I had my part-time job, so I couldn’t watch her room all the time. Even so, every day after my shift ended, I watched her room from outside for over two hours.

I intended to notify Ryosuke-san by email as soon as I discovered her cheating. I knew all about my sister’s loose behavior during her high school years, so I was certain she would eventually cheat.

After our father ran off with his mistress, our mother worked from early morning until late at night. My sister took advantage of Mom’s absence and frequently brought boyfriends home. Then she would have sex in her room. By the time my sister was on her fifth boyfriend, I was already in my second year of middle school, so I understood everything about her personality. That my sister was a bottom-tier, trashy, promiscuous woman. I despised her from the bottom of my heart.

However, I remained unaware of my sister’s actual cheating until that day. Even on that day, I only went along because Ryosuke-san said he was going to her room with wine, and I wanted to at least stop them from having sex. It was true I was surprised when I saw the scene, but I realized instantly it was an affair. Then I executed the plan I had formulated long ago by imagining various scenarios. Yes—if I ever encountered such a scene, I would report the affair partner to the police as a rapist.

I dialed 110 while shouting “Banzai!” in my heart. And I made sure my sister was utterly humiliated. I created a situation where she absolutely could not make excuses. Ryosuke-san calmly told her it was over. I thought, “I did it.” I wouldn’t say I was entirely satisfied with finally getting revenge for the way my sister had kept being mean to me, though.

The conversation after that followed the script I expected, but in the end, Ryosuke-san rejected me. I was dumped by Ryosuke-san. I suffered a massive shock, and that night, I probably cried just as much as my sister did.

I lost the will to even go to university and thought about dropping out to return to my hometown, but I wanted to be held by Ryosuke-san at least once. I wanted to sublimate my feelings of the past three years. I put those feelings directly into an email and sent it to Ryosuke-san.

The first day my sister brought Ryosuke-san to the house was the day of my high school entrance celebration. Ryosuke-san was a wonderful person, but at that time, I didn’t have any special feelings for him. Instead, I had developed feelings akin to admiration for S-senpai, the student council president I saw at the entrance ceremony. And I accidentally muttered to myself: 

“Ah, I’ve finally found my person of destiny.”

My sister overheard that.

She glanced at me with a look of utter contempt and said:

“You’ve finally reached that age, haven’t you? Is it your first love? Hmm. Well, that’s too bad for you.”

I realized immediately upon hearing those words that she was mistaken. She probably thought that because I had exchanged emails with Ryosuke-san. He was certainly someone I admired, but the person I meant wasn’t Ryosuke-san. When I asked, “What do you mean, too bad?” she just said, “Ryo-kun is my boyfriend,” and walked away.

The high school I attended was one of the leading preparatory schools in the prefecture. If I didn’t study hard, I couldn’t keep up with the classes. On Saturdays and Sundays, I worked in the backyard of a sports store in a large commercial facility. Between studies, club activities, and work, I had no free time, and S-senpai gradually faded from my mind. My only pleasure was the email exchanges I had with Ryosuke-san during study breaks.

I gradually began to fall for Ryosuke-san. I was called the most beautiful girl in school and received confessions from many boys, but they looked like children compared to Ryosuke-san, so I didn’t give them the time of day.

Still, since I was a healthy woman, there were many times when my body felt restless. But I never considered dating anyone other than Ryosuke-san. Every time I masturbated, I conjured Ryosuke-san in my mind. When I did, it felt as though pleasure substances were released from my brain, intensifying the sensation.

I grew to love Ryosuke-san as if I were putting myself under a hypnotic spell.

Since my sister went out of her way to prevent me and Ryosuke-san from meeting, we never even hung out together during my high school years. Despite that, I devotedly yearned for him. However, during New Year’s, my sister brought Ryosuke-san to the house.

She seemingly brought him because “Ryo-kun doesn’t have anyone left he can call family, so he should at least feel like part of a family for New Year’s.” When I saw Ryosuke-san for the first time in a long while, my heart felt like it would burst with joy. I remembered how my sister looked at my state with a triumphant air.

At some point, my emotions became too much to handle, and I pierced my virginity with a sex toy my sister had left behind. After that, I used that toy several times to masturbate while thinking of Ryosuke-san, but I never realized my sister had seen me. If Ryosuke-san had sex with me without knowing that, he would have definitely thought I was experienced. I was really glad I was able to properly explain to Ryosuke-san the reason I lost my hymen.

When I told Ryosuke-san I was dropping out of university, he hurriedly said he wanted to see me, so I went to his room in the evening. Then, the confession. The moment I waited for his answer, my heart truly felt like it would burst.

A romantic kiss in the sunset. It really felt like I was in a dream. It was the moment my love of three years finally bore fruit. No, maybe the buds have only just formed. The flowering and the ripening of the fruit were still to come. I couldn’t let my guard down at all.

I never expected my sister to quit her job and return to our hometown. For me, having started living alone away from home, having my sister nearby gave me a sense of security. Despite everything, we were sisters after all, and I intended to rely on her in times of need. I knew my sister was thinking about getting back together with Ryosuke-san, so I executed my final strategy. I hoped my sister would sincerely reflect and distance herself from him, but it worked a little too well. But from now on, I could consult Ryosuke-san about anything and rely on him. He was a dependable person, so yes, it’d be fine.

First up was our weekend date. Shopping, dinner, and staying over at a hotel. The day I accepted a man for the first time—our first anniversary. Everything would be a first experience for me.

(I suppose the days will continue where I can’t sleep because my heart is pounding just from imagining it before bed.)

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Today was my date with Nanami. We were supposed to meet at 2:00 PM at the Omotesando exit of Harajuku Station. I arrived at Harajuku Station by taxi fifteen minutes early, but Nanami was already waiting in front of the ticket gate.

“Ryosuke-saaan!” 

Nanami called out as she ran over.

“O-Oh, sorry for making you wait.”

“No, it’s before our time. I just got here way too early. Ryosuke-san, you look wonderful today too.”

The season was autumn, but it was still a bit hot. I wore a light gray dress shirt with dark brown slacks that were almost black, and my favorite dark brown shoes. I also wore a dark forest green jacket. It was all coordinated by Yuna. They were all brand-name items, though I tried not to be flashy.

Nanami wore a cute white one-piece dress and a pink beret; it was an outfit perfect for a college student. She had a light pink cardigan draped over her shoulders. As usual, her sense of cleanliness and transparency stood out. Her face, hair, and atmosphere looked exactly like Megumi Kato from the anime Saekano: How to Raise a Boring Girlfriend.

“This is my first time in Harajuku. I want to go pray at Meiji Jingu.”

Per Nanami’s wish, we visited Meiji Jingu. Embarrassingly, I didn’t know the correct way to pray at a shrine. If I had known, I should have looked it up on the internet last night. For now, I settled for the basic “two bows, two claps, one bow.” Everything else was improvised.

Afterward, we discussed our plans while having tea at an open-air cafe.

“Hmm, I’d like to buy you some shoes and clothes, Nanami-chan. What do you think?”

“Eh? At these shops in Omotesando? Um, I’ve only ever bought clothes at places like UNIQLO or GAP.”

At least she didn’t mention Shimamura.

“Well, it’ll be fine. Let’s have the shop staff pick out some clothes that would look good on you.”

“Things that are too expensive are… well…”

“No, this is our anniversary, so consider it a present from me. Don’t worry about it. We’re going to have many more dates from now on, and I want you to wear them then.”

“Okay, I understand. I’ll leave it to you.”

With that, I bought her three pairs of shoes, over ten outfits, and a bag. I had her change into a slightly more mature one-piece dress, and I had the clothes she wore plus the items we bought sent to her place. Inside the bag, I put her personal belongings like her wallet and smartphone, along with some new underwear. I bought the underwear for our stay-over. I could have bought them at a shop inside the hotel, but it was probably safer to buy them beforehand just in case.

I also gave her a TIFFANY & Co. pink sapphire open heart pendant and matching earrings to suit her taste. BVLGARI or Swarovski would have been nice too, but for an eighteen-year-old college student, TIFFANY seemed fitting. She said she hadn’t pierced her ears yet, so we went with earrings—which was very much like Nanami.

Of course, I put the pendant and earrings on her right there after buying them. I had been thoroughly trained by Yuna on how to handle a lady like this. The total shopping trip cost over 400,000 yen, but I paid in a way that Nanami wouldn’t notice the amount. Afterward, she had her hair cut and makeup applied at a hair salon in Aoyama, completing her transformation into a top-tier lady. Of course, I stayed by her side the whole time.

She was already cute enough, but she looked radiant now that she was a bit more grown-up and beautiful. Nanami herself had teary eyes, saying, “I feel like I’m in a dream.” After she was taught in detail how to apply makeup, I promised to buy her cosmetics as well, and we headed to the restaurant I had reserved. Nanami, having transformed into a beauty who stood out even in Aoyama, had many men turning their heads to look at her. I stuck to “ladies first” at the restaurant; to an outsider, I must have looked like a man who knew how to treat a woman well.

During dinner, Nanami was so beautiful that even I found myself captivated by her. I thought to myself. 

(So this is what they mean by “dreamy eyes.”)

“Remember how I had my makeup done at the salon earlier? I recorded the whole thing on video with my smartphone. Now I might be able to do it myself.”

“I hope you don’t become too beautiful, Nanami. I’m worried some other guy might take you away.”

“I’m very happy to hear that, but you don’t need to worry.”

“But you know, Tokyo has many temptations, and your social circle will grow. Like drinking parties and such.”

“I’ll only wear makeup when I’m meeting you, Ryosuke-san, and since it’s a women’s university, it’ll be fine. I’m your girlfriend, so I won’t pay attention to other men. This is happiness I finally managed to grasp. I won’t let go. I don’t want to end up like my sister.”

I didn’t expect Riona’s name to come up here. While I was at a loss for an answer, she brought up Riona again.

“But still, it’s a surprise my sister didn’t commit suicide. Her mental state must be quite strong. No, maybe she just didn’t have the courage to do it.”

“Whoa, hey now.”

“If I were in my sister’s position, I would definitely commit suicide. I wouldn’t hesitate. Though, before that, I would never cheat in the first place.”

(This… I wonder if Nanami has some “menhera” tendencies…)

Instead of a hotel on the Shibaura waterfront, I had booked a tower hotel in Shiba Park. That suite would be the stage for tonight. We took a taxi from Aoyama to the hotel. We arrived at the hotel, checked in, and entered the room led by the porter.

“Wow, amazing! Tokyo Tower is right in front of us. It’s beautiful!”

The fact that Tokyo Tower was right there was why I chose this hotel. The Tokyo Tower lights went off at midnight. Unless you closed the curtains, this room stayed bright from the Tokyo Tower illumination. In other words, even if you turned off the room lights, it remained bright on the bed—until midnight.

Nanami’s voice was bright, but I could tell she was nervous. She was probably acting energetic to cover it up.

“This room is incredible too. Such a large room feels like being in a foreign country. It’s like a dream.”

While Nanami was exploring the room, the wine I ordered through room service arrived. It was a bottle of wine chilled in a wine cooler, accompanied by cheese snacks and a rare steak.

“Nanami, today is our anniversary, so I prepared some alcohol for the first time. Won’t you have a little?”

I wanted her to drink some alcohol to help ease her tension. Nanami looked at the snacks and said, “They look high in calories.”

“Come on, it’s okay once in a while.”

“Even though we just ate dinner…”

Despite saying that, Nanami took a sip of the wine.

“Oh… it’s delicious.”

Of course it was. This German white wine was very popular among women. I wanted Nanami to get a little tipsy and became a bit more daring. After finishing her glass, Nanami’s cheeks flushed, and she gave me an entranced look.

“Ryosuke-san, I feel like I’m in a dream. My sister… she had such a good thing all this time… but from now on, you’re mine. Ryosuke-san, I won’t let go of you, and I won’t leave you. No matter what happens, we’ll be together forever. If you ever decide to break up with me, please kill me.”

“Nanami…”

“I want to use the shower. Why don’t you join me?”

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