Maxed-Out Charm, Starting from Demon Slayer

A crossover transmigration story with the Marvel Universe as its primary world.

Transmigrate through crossover worlds and clear their dungeons, then conquer the Marvel main world!

Multiple female leads, harem, a shared relationship, and love rival showdowns.

Demon Slayer, Is It Wrong to Try to Pick Up Girls in a Dungeon?, Chivalry of a Failed Knight, Genshin Impact, Strike the Blood, Goblin Slayer, That Time I Got Reincarnated as a Slime, and other blended worlds, plus High School DxD...