A girl named Hotaru encounters Tsubasa, a boy who seems to exist between worlds. Their meetings are brief and strange, unfolding in the quiet moments between ordinary days. Tsubasa speaks in riddles and appears exactly when Hotaru needs him most, though she can't quite explain why his presence matters so much. As their connection deepens, Hotaru begins to wonder if Tsubasa is real or something her heart conjured to fill an emptiness she didn't know she had. The story moves like a dream, gentle and uncertain. Each episode peels back another layer of their relationship, revealing small truths about loneliness, connection, and the magic that blooms when two people truly see each other. The tone balances whimsy with genuine emotion, never quite confirming what Tsubasa actually is or whether their bond exists only in Hotaru's imagination. This is for viewers who find beauty in ambiguity, who prefer questions to answers, and who believe the most important moments are the ones that slip away before you can fully grasp them.