Kousuke Seto/Relationships

Relationships
Mary Kozakura: Seto first met Mary while wandering around the forest and stumbling upon her house, Mary was afraid that she would turn him into stone. However, he misunderstood what she meant and thought she was shy, and put his headphones on her to comfort her. He is Mary's closest friend.

Shuuya Kano: Kano and Seto grew up in the same orphanage together and are childhood friends.

Tsubomi Kido: Kido and Seto grew up in the same orphanage together and are childhood friends.

Ayano Tateyama: Ayano was told by her mother to be a "big sister" for Kido, Kano, and Seto. She was the one taking care of them in the orphanage. Ayano followed her wish and started to become friends with the three of them, what turned out to be difficult, as they thought of themselves as "monsters", due to their eye abilities. Eventually, Ayano came up with the plan to create a secret club of heroes and gave them their hoodies as a present.

Kenjirou Tateyama: The adoptive father of Seto, Kido and Kano.

Ayaka Tateyama: The adoptive mother of Seto, Kido and Kano. He along with Kido and Kano, were crying while holding a funeral for her.

Ene: He mistook Ene for being Shintaro's girlfriend from an online dating site.

Momo Kisaragi: He thinks of Momo as a very good and polite girl, as shown from the amusement park chapter. He never thought that Momo was an idol.