You want sex??? You came to the right place. Multiple couples sharing a same universe.
Couple 1 = possessive seme and airhead uke
Couple 2 = hornball seme and Prince type uke
Couple 3 = sadist seme masochist uke ((oof wanted them to get together romantically but they're having sex for work which does not rub me the right waayyy)
Following the OVA, they're in the mountains for some reason and they're all having honest innocent fun. Yuu-chan still wants to steal Tonoo from Karishima and there is tension bet president ayami and lover boy itome.
Toshishita Kareshi no Renai Kanriheki