Seishun no nichijou - Omoide no shuugaku ryokou: Nakayoshi han de ippaku futsuka no rezubian.

Four inseparable friends arrive at their school trip full of excitement. Between laughter, secrets, and playful moments at the inn, they realize their bond goes beyond friendship. Dressed in yukata, they share baths, teasing, and intimate encounters that become sparkling memories known only to them. The night unfolds with kisses, caresses, and deep companionship, blending youthful fun with shared desire.