If you're looking for manga similar to Heaven's Lost Property: Project Pink, you might like these titles.
The main character gets visited by the angel Michael, in female form. She tells him that the Earth only has 7 days left, and it’s all up to him whether Earth will survive or not. But this guy is a huge pervert, and the angel just wants the world to be destroyed. Follow their adventure to see if she gets what she wants by letting the guy do whatever sins he pleases.
Higuchi Kotarou was just a normal sixth-grader until a new next-door neighbor enters his life–an insanely perky angel named Misha that has made it her life’s work to make Kotarou happy! And if that wasn’t enough, Misha has an even stranger roommate–a kind-hearted demon named Shia and her mysterious black cat Nya! If Kotarou’s life at home is this weird, what can it possibly be like at school?
Yuta just wants to be left alone long enough to finish his painting for the school art show! But when an ambitious (and totally cute) demon decides that he’s the mate of her dreams, there’s no telling what kind of mayhem will erupt!
A foolish clumsy angel came to the human world to help a very unlucky boy. But more accidents are then created...
The world has been destroyed and twisted due to the actions of one man – at least, that's what Dextera has been told. With grotesque monsters roaming everywhere, he is ordered by the Archangel of the Church of Melct to purify the mad god who dwells in the Neuro Tower; only then can Dextera atone for his sins...