Haitoku Catharsis
Corruption Catharsis·背徳カタルシス
Shuna is in a relationship where her boyfriend's overbearing nature leaves her emotionally numb. To help her, a tutor is brought in to teach her at home. The tutor, Kusunoki-sensei, makes comments and displays behaviors that go beyond academic instruction, prompting questions about what they might lead Shuna to experience.