Izuku Yagi was Neglected and Abused by his friends and family for being quirkless and was even tortured as he was beaten,Electrocuted,stabbed and chained and starved and was branded Which meant anything that anyone did to him was legal but Izuku Commits Suicide and dies where he is met face to face with Lucifer saying that the world needs a New grim Reaper and Offers Izuku the position and when he asks why Lucifer says it is because Izuku knows who deserves hell and who doesn't and tells him he could be a hero but he needs to overcome challenges and Izuku Agrees as He becomes THE GRIM REAPER and he even dates Lucifers daughter and her friends as izuku begins his journey as the grim Reaper 

Izuku X Small Harem (Only 4)

Girls 

Charlie and Vaggie

Rias Gremory

Daki