Titania and Snake (Fairy Tail): Erza is getting an anal from Cobra from reborn Oracion Seis. Erza has a mixture of pain and happiness while Cobra has a grin.
Hyoudou Issei making love to S.o.n.a Sitri in the missionary position(in her school outfit) while holding hands and playfully biting each other (both characters from Highschool DxD)