Kôkô kyôshi: Shisshin!

A female teacher Kumi Yamamoto was raped by a man who attempted suicide. During Kumi's class, a woman in a miniskirt suddenly entered the classroom and shouted, "Is Yuichi Kobayashi's son here?" Yuichi Kobayashi was the name of the man who raped her. The woman in the miniskirt was Maria, a debt collector, and she had come to find out where Yuichi was, calling for his son, Kotaro. Kumi learns that …