In AOT as Nagisa Shiota

An Assassin obsessed man was killed in his attempt to try and become the greatest assassin in his world.(Which is the SCP universe) He was someone who wanted to become an assassin due to watching an anime about assassinating there teacher and its main character. He succeeded but was killed years later due to an obsessed girl who wanted to beat him and make him her slave. He died together with her after a long battle which concluded with them dying at the hands of each other After he died he was reborn with 3 wishes to fulfill his regrets on his past life and he wished to be reborn as Nagisa Shiota along with all his skills in his prime with Koro Sensei's powers even after the transformation and to also have a system that won't push him to do anything but just help him achieve his goals. (The third ones a secret and you can guess it in the comments and I'll give you a star if you got it right) After he said his wishes God gave him all of it but said that his memories will come after his 7th birthday. After that he was reincarnated. (So yeah this is the first AOT fanfic I've made. Please cut me some slack if I make any mistakes as I'm more of a reader not a writer, but I just really wanna try to write) (And the start does feature the SCP universe but it's only for the past life of the MC....... ... .. .. For now) (Also for those who know my other Fan Fic SlothFull I'm sorry but that's gonna take a long time before I even try to tackle it again as I'm also that slothful so expect slow updates on this one) (I own no pictures on this fanfic and is owned by their respected creators) (And any series featured in this fanfic is of course not owned by me but to their respective owners or writers) Tags I couldn't Include-, Yandere, Multiverse, Assassin MC, No Harem, SCP