What weird world we live in

Being reborn in a world with no memories of your past is quite trouble some but really exciting when you think about it. New world, new people to get to nnow with, and more fun things to do. Now, lets go and have an adventure in this weird world we live in! [NOTICE: HERE ARE THE LIST OF WHAT THIS STORY CONTAINS] - Overpowered Mc(Well, somewhat) - Large(Idk) Harem(Will have progression) - Genius MC - Merged World(Having Multiple anime and shows) - Slow Updates(Im stil in school 2026) - Their will be 18+(Sex, Blood, etc.) - English is not my first language(Expect grammar mistakes and if so please point them out THX!!)