The story delves into the journey of the main character, Kazuki, as he embarks on a quest to fulfill a promise he made to a girl named Alice four years ago. Despite entering one of the most prestigious universities in the country, his primary goal is not to excel academically but to keep the promise he made to Alice. He is haunted by the memories of their past and the fear of not being able to keep their promise. Kazuki's journey is not an easy one, as he faces numerous challenges and obstacles, both academically and emotionally. He is plagued by self-doubt and uncertainty as he struggles to find his way back to Alice. But he is not alone, his two friends Yuuna and Hiroki, have been with him throughout his journey and they provide him with the support and motivation he needs to push through the difficulties. As Kazuki strives to achieve his goal, the story explores themes of love, friendship, determination, and the power of promises. It is a tale of one man's unwavering determination to keep his word, no matter the cost, and the impact it has on his life and the people around him.