Immoral Sisters - Blossoming

Based on the source material from Silky's. Kotono Miyatsuji and her sister Suzuyo attend Ikaruga High School, where their mother Kasumi serves on the board of trustees. Both sisters hold strong feelings for Shoichi Kaneshiro. His attention, however, is solely focused on the school physician, Maiko Morisawa, whose physical allure he finds captivating. Facing expulsion if he fails an upcoming test, Shoichi is persuaded by Maiko to break into the principal's office. There, he steals a disk containing the examination materials.