Atsushi Ikuta, a college student reluctantly drawn into tutoring Arisa Kumagai and Maya Satou at his classmate Chidori’s request, navigates a shifting landscape where academic guidance blurs with charged emotional entanglements. Both students and their mothers gradually redirect their focus from studies to him, sparking rivalries that intertwine affection, competition, and maternal assertiveness. Amidst the growing complexities, he wrestles with quiet longing for Chidori, whose unavailability anchors his hesitations.

When further mother-daughter pairs enter his sphere, the fragile equilibrium fractures, layering fresh tensions and alliances. Though initially wary of his inadvertent prominence in their lives, Atsushi learns to negotiate the escalating attentions, balancing his cautious empathy with a pragmatic grasp of the web of expectations encircling him—a reluctant pivot point in an ever-expanding cycle of desires and dependencies.