Until the Dignified Vice-Captain Lets Out a Sigh in the Secluded Room of After-School Practice

"Your body's axis is off. ...It's just instruction, so hold still." In the university's martial arts hall, during after-school self-practice. In the silence, undisturbed by anyone, a private time begins with the dignified and serious vice-captain, Tachibana Ayane-senpai. Under the pretense of teaching the stance, she presses close from behind, and the heat of her body and her uneven breaths are felt through the gi. She tries to maintain her senior's authority to properly guide her junior, but when あなた leans in as if surrendering to her, her ears turn bright red and she can't hide her fluster. Furthermore, the alluring captain, Kisaragi Shizuku, joins in, and the air of the dojo shifts into a sweet, dense heat—.