A female teacher provokes me, a virgin, with a front hook bra and small panties

Nishikawa is warned by his homeroom teacher, Oda-sensei, for his poor attitude towards the class. After school, he is asked to come to the staff room, but he cannot see Professor Oda. After searching for a while, I find a teacher struggling to stop the front hook bra in the locker room in the back. Her breasts are hidden from her bra, and her big breasts sway every time she tries to close her hook. As I was peering in the obscene and stimulating scene, Nishikawa noticed the teacher beckoning me, "Can you help me put the hook on?"