Girl gets summoned by the demon king to have his children. Super trashy
Guy is rejected 100 times and goes to a shrine to pray for success in love, god tells him he is going to have 100 soulmates, he ends up dating all of them, best bf, parody of harem manga, funny and cute
Vampire hires an assassin to kill her
Girl ends up dating a crazy guy
I Became the Mother of the Strongest Demon Lord's 10 Children in Another World.