Fleur will deny her Veela nature no longer. (Fleur/Harry; infidelity and noncon)
The contest is over, and Harry has won. Now it's time for Tonks to pay up, whether he wants her to or not. (Harry/Tonks (with Tonks morphing into and role playing as other female characters)
During the Tri-wizard tournament, every boy and some of the girls in Hogwarts want to sleep with Fleur. Harry just wants it more than most. Enough to turn to dark magic to help him.
Ichigo gets saddled with testing an experimental weapon, and things spiral out of control from there. [hypnosis, smut, IchiHarem]
When Harry discovers that he's a Metamorphmagus, his and Hermione's sex life takes a turn for the... different.
Long ago, before the Juubi's rampage, there were gods. Then those gods vanished, and with them, so did men. Now, Uzumaki Naruto must do his duty, as the god of Fertility...and Lust.