​In “After Class Lesson Episode 1,” Shibui Ryuuji, a peculiar teacher in a prestigious girls’ school, faces disdain from his students due to his unorthodox appearance and perverse tendencies. However, fate takes a twisted turn when he discovers Tenkawa Ayumi’s vulnerability, leading him to commit a heinous act against her. Driven by a dark desire, Shibui proceeds to exploit the weaknesses of his students, systematically subjecting them to his sexual advances. With each encounter, the power dynamic shifts and the students find themselves succumbing to his insidious manipulations. Prepare for a provocative journey as “After Class Lesson” uncovers the taboo inclinations lurking beneath the surface of an educational institution.​