Neighbor Training - A married woman teaches me about sex service -

The walls of the room are thin, so his wife Eriko is always worried about the sex next to her. Even though he knew it was wrong, he listened to it, but his neighbor Abe found out. Abe, who doesn't like Eriko, who plays an honor student, pushes her down and plays with her as an outlet for her sexual desire. Eriko then spends her days training with shame as a sex pet every day. However, the unusual stimulation that cannot be experienced in ordinary everyday life transforms her into Abe's obedient bitch...