Izuku has a dream to become a hero but he's quirkless. After having dreams crushed into dust by All Might, he finally gives up. So when a man in red robe and with a mask offers him his quirk to become hero, Izuku takes that opportunity and opens the darkness within. OC Izuku gets a quirk not by All Might. IzukuXHarem(might change later)

Izuku was told by many that he would never be a hero, he wasn't strong enough, he was powerless, but he rejects them all he will be powerful, and unlike those with quirks he will craft his strength with his bare hands and use it to break the pillar of this world and stand atop the rubble as the most powerful. (VillainDeku) (BaneDeku)

"Strive for a place among gods and you shall reach it." Izuku Midoriya's desire to be a Hero was so strong that it brought to the world of Quirks a power never seen before. A power so strong and unique that it will lay down the foundations for a new era of peace and prosperity. "The burden on his shoulders was great, but his will was greater." Slight AU and X-Over. Izuku/Harem.

9 Year Old Quirkless Girl Izuka Midoriya is kidnapped by villains and held captive for a year. Saved by All-Might, Izuka is discovered to have a Quirk that gives her the power of a Phoenix, including returning to life after being killed. With All-Might and the U.A Teachers guiding her, Izuka will become not just the Symbol of Peace, but the first Immortal Hero!

Naruto becomes the villain everyone in the village always thought he would be. Only one person will risk everything to try and redeem him. His best and most loyal friend, Uchiha Sasuke.

A Rosario Vampire and Naruto cross over. Naruto, the hated Kyuubi jinchuuriki is sent to a school for monsters to complete his education before he can return to Konoha. But in a place filled with monsters he wonders just who the true monster is. Nar X Mok