Kyoko Ootomo

A former classmate of Ishigami during their final year of middle school, this character carries the weight of a painful past betrayal. While attending school together, she entered into a relationship with Kou Ogino, only to be unknowingly deceived by his infidelity. Her backstory serves as a poignant look at the hidden heartbreaks experienced by those navigating the complexities of adolescent romance and broken trust.