HMN-109 Coming on a trip this time, I was hit by a duplicate

HMN-109 Uncen Came On A Trip This Time And Got Redundantly Amano Aoi Synopsis On this holiday, Amano Aoi and her friend go on a double-pack trip to an onsen, where she meets an acquaintance. He was a teacher who used to teach her while eating. So her friend gave them a chance to talk. The teacher asked her to have sex like she did in school, but this time he brought a friend to join her.