Netsuzou Trap -NTR-

Yuma, a sophomore in high school, has her first boyfriend and is enjoying every day. After seeking relationship advice from Hotaru, a beautiful long-time friend of hers who has had many boyfriends, Hotaru teases her immaturity and playfully does things to her that neither her boyfriend would do. As their secret relationship continues to escalate, Yuma finds himself unable to deny his feelings.