Netsuzou Trap - NTR - MangaDex

Nervous about being alone with her new boyfriend, Takeda, Yuma insists that her once angelic childhood friend, Hotaru and Hotaru's boyfriend come along for a double date. But when Hotaru begins to touch Yuma and volunteers herself as "practice", Yuma feels inner turmoil as she enjoys the now devilish Hotaru's kiss more than Takeda's.

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