you a hero with rank S, you being a the strongest person for years, but,the aliens want to start a war with humans,so the world take all the strong people,and choose them to be a roommate and train together

you:hey tatsumaki-san,do you want to train right now?

tatsumake: okay, let's go

You go out, and train for hours

You get back tired,and want to eat, then sleep

You go to the kitchen, and make a pizza, the pizza is so good, and tatsumaki love it

tatsumake:hey bro, how did you make that, can I learn it?