Kage no Jitsuryokusha ni Naritakute
MC with chuuninbyou thinks he's roleplaying with his harem about defeating evil from the shadows, but he doesn't know that he's actually defeating real evil
I Am The Sorcerer King Webtoon
reincarnation into "awakened" human beings that uses Akashic system to destroy dungeons and eventually take over the world
SSS-Class Suicide Hunter
loser hunter given the ability to copy another's abilities upon death challenges the tower
Kumo desu ga, nani ka?
MC and classmates get blown up and reincarnate into another world with the MC as a spider
Maou ni Natta node, Dungeon Tsukutte Jingai Musume to Honobono suru
reincarnated into a demon king with loli harem in dungeon but its not a full on harem bc there's one main relationship with the rest of the girls being daughters or friends
Return to Player
"player" gets second life after clearing ten-year-long game set up by the gods and decides to spend it by becoming a hero; has a yandere FL badass bitch
When I Woke Up, Twenty Years Passed!
villain of otome game gets poisoned by the heroine and stays in coma for twenty years and wakes up to her kingdom in a mess
Mushoku Tensei ~Isekai Ittara Honki Dasu~
Saihate no Paladin