Ritsuko Kawai is not inherently a masochist or someone who enjoys humiliation play—she simply submits completely to her lover's desires, obeying every command without resistance. Yet this obedience evolves into something deeper: an unfamiliar, overwhelming pleasure rising from within, something she's never experienced before. Surrendering her body entirely to his control, she is driven to unexpected heights of arousal, discovering a new kind of ecstasy she never knew existed. This is her first climax achieved through total submission.