Hiding in the back of the locker room, trembling with excitement at the thought of someone walking in, she quietly slips her fingers over her body in the empty office, feeling a quiet sense of release. Rika remembers last night's company party and can't hold back any longer. Motoko sniffs the leotard soaked with her senior's sweat as she pleases herself. Rumiko murmurs, "Does the lady of this house always use a vibrator in the bath?" relating deeply to the same sensation. Their emotions intertwine, stirring hidden desires in a tense, thrilling atmosphere.