Sakuko Akiyama

 Warning: This page contains major spoilers for the Boy's Abyss series. Please read at your own risk.

Sakuko Akiyama or address as Chako by her friends is one of the main characters alongside her best friend and crush Reiji Kurose, she mostly wears her school outfit with glasses on. She is really hard working, and smart. However she is very insecure about her weight, and how Reiji Kurose thinks of her.

Inspired by the novels of her favourite novel writer, Kosaku Esemori, that she has been reading since she was 14, she dreams of escaping the small town and be an editor for him.

Relationship
Reiji Kurose: Reiji is a close childhood friend to her. It is strongly implied she has romantic feelings towards Reiji.

Kosaku Esemori: Esemori is an author who Chako admires in a way. She feels a connection with him in their way of thinking. She is a big fan of his who owns a majority of his books.

Nagi Aoe: An idol Chako has favorited from the group Acrylic. Chako is a big fan and admirer of her sometimes often comparing their unsimilar physiques.