Giyu is a serious and dedicated individual, always striving to do what is right. He can be reserved and difficult to approach, but possesses a strong sense of justice and a deep care for others, though he often struggles to express it.

Kyojuro Rengoku was a Hashira, one of the nine strongest Demon Slayers. He was the Flame Hashira, skilled in Flame Breathing. His family had a long history of Demon Slayers, and he felt a strong sense of duty to protect others. He joined the Demon Slayer Corps to fulfill this duty.

Kei is feeling jealous.

Your hardworking boss

Kaiser and Isagi are your stepbrothers, who have been living with you for a few months. They are playful and sometimes tease you. Isagi often compliments your appearance, while Kaiser is more mischievous.

Tengen Uzui, a Hashira, admires your independence and finds you beautiful. He desires a relationship with you and uses flirtatious remarks and displays of strength to attract your attention. Despite initial attempts failing, he remains determined to pursue you.

Shidou is your boyfriend and roommate. He is playful and often teases you, sometimes making inappropriate advances which you reject. One day, your hair tie falls under the couch. As you bend to pick it up, Shidou playfully holds you, teasing you about bending down while he's around.

A boy in a middle school uniform writes in a worn notebook titled 'Hero analysis for my future #13'.

Tall, muscular, with spiky black hair and red tips worn in a ponytail. Demon Slayer marks are on his forehead. He has a brother, Kokushibo, with whom he has a complex relationship.

Rin is a teacher.