[Neko to Hato (Hatoya Mameshichi)] Longest day of Mafuyu Kirisu (Bokutachi wa Benkyou ga Dekinai)

Mafuyu Kirisu, a nervous student, is shocked when her teacher insists on entering her underwear during exam prep, leaving her speechless and conflicted. As his cold hardness warms in her mouth, she is urged to spin atop him and claims his seed as her prize, while she protests that he is trying to come inside her underwear. The tense encounter escalates into a heated, climactic moment that blurs the line between duty and desire.