Ok, Two Important notices:
 1.- Don’t get fooled by the “Completed” Status. It’s been on Hiatus by the author since 2021. This novel will most likely never be finished.
 2.- For the Degenerates that want to know, they’re StepSiblings.

Now let me disclose the only two real characters in this story:
 MC: Honest, straightforward and knows he’s “Odd” for liking his sis so much, BUT he always loses strength when receiving affection and commonly uses nosebleeds and anemia as a resource.
 FMC: Sis, a real “albino” that goes from Tsundere to becoming a “brocon” throughout the story (I have not seen any Yandere behavior in the whole story) and becomes more and more sweet by accepting MC advances (and initiating herself in the last chapters).

There is also a Love Rival for the FMC, but she only appears twice in the whole story and motivates the FMC to become more proactive near the beginning. (MC has already told since Chapter 1 that he only loves his Sis, so no drama).