Isekai

Makes a female character instead of male, going through new adventures with unique senses that people think are trash, but getting amazing results

Wakes up as a small spirit and able to take over monsters and getting through the world.

Really strong MC, makes his mark by creating his own nation type place, and becoming a great adventurer/merchant.

Tasked with taking care of a little girl who needs a mother, and also being a maid for the new family

'I'm just a simple slime!'

Ends up in a game like new world and navigates to make the best of it. Turned into anime

Guy playing an old guy, gets transported into the body of a little girl