True Blue Gaiden

Based on the game by Lilim Darkness. Kanzaki Aoi and Kurusu Akito are no longer in a relationship. Kaya, who has long held an interest in Akito, sees an opportunity and attempts to pursue him. Her attempts to make him forget about Aoi are unsuccessful. Meanwhile, Aoi has become sexually involved with their physical education teacher, Shudo. In the course of her pursuit of Akito, Kaya is subjected to blackmail by a male observer, who coerces her into performing sexual acts. While being forced to comply with his demands, Kaya begins to experience explicit fantasies involving Shudo. Unbeknownst to her, the teacher has been orchestrating these events.