After graduation... a gang rape committed against my strict female teacher, filled with gratitude and hatred. (Isshiki Momoko ROE-440)

Momoko, a dedicated teacher in a noisy classroom, maintains a strict approach to her troublesome students, determined to prevent them from repeating a grade. Though she sometimes considers giving up, thanks to their enthusiastic guidance, everyone successfully graduated this year. In the quiet classroom, alone and lost in memories, Momoko is confronted by her troublesome students. They greet her with malicious smiles, saying, "It's only today that you can repay your teacher..."