Upon learning that her son was being bullied, mother Yuka confronts the bully, Kohei, and scolds him harshly. However, during their conversation, she discovers that Kohei has no mother, and his words begin to shake her resolve. When Yuka asks for an apology, Kohei proposes a condition: "If you want me to apologize, then become my mom. I'll stop bullying if you do." Yuka is visibly shaken and confused by his request. The condition quickly escalates further. "Let me suck your breasts, Auntie," he demands, plunging the situation into deeper tension. Amid an unsettling atmosphere, Yuka's inner conflict and Kohei's true intentions gradually come to light.