Kotobuki, who lectures at a university, has a student, Shima, who is her natural enemy. He fiddles with his mobile phone during class and pretends not to be listening, However, he knows what he is doing in class and has no room for error. Kotobuki's way of relieving stress is to be healed by ASMR. To calm her feelings of being irritated by Shima during class, In his own lab, he puts on an eye mask and headphones and says, "Just a little bit..." Shima catches him listening to his favourite echi ASMR and...? 大学で講義を受け持つ琴吹には天敵とも言える生徒・志摩がいる。 授業中に携帯をいじり、聴いてないそぶりをするも、 授業内容は把握していて隙がない。 そんな琴吹のストレス発散方法は、ASMRで癒されること。 授業中に志摩にイライラさせられた気持ちを鎮めるため、 自分の研究室でアイマスクとヘッドホンをして「ちょっとだけ…」と お気に入りのえっちなASMRを聴いていたところを志摩に見つかってしまい…?!