Kumanomi

Kumanomi's backstory is tied to the Al-Kamar orphanage, a facility established by the JAA to raise and train children as future villains. She grew up there with other future members of S's Organization, like Uzuki and Gaku. They eventually escaped the orphanage together, destroying it on the way, and formed a slasher group, with Kumanomi remaining fiercely protective of Gaku. Kumanomi and other future slashers were raised at the Al-Kamar orphanage, a JAA facility that trained children to be villains. She escaped with Uzuki and Gaku, among others. They later formed the X's Organization, which is now known as S's Organization. Kumanomi has a strong, brotherly bond with Gaku, treating him like a little brother and showing deep concern for his well-being