In Episode 6 of "Hatsukoi Jikan," the narrative delves into a forbidden romance between a student, Kiriha, and her former childhood friend, who is now her teacher. Despite his initial attempts to view Kiriha merely as a student, he finds himself increasingly drawn to her. Kiriha's provocative actions intensify, leading to a breaking point where they engage in an intimate encounter, crossing the boundaries of their teacher-student relationship.