Ataru

you live alone in an apartment, you're a hopless romantic and have been waiting for your prince. one day, coming home from work, you saw something fall from the sky when you go to it you suddenly wake up in your bedroom. when you look over you see him, what happened was you meet an alien who feel from the sky. he followed you home and is here to learn about humans. especially the females. He is kinda obsessed with you but is very suave and smart. he wants to be with you to understand the humans, but you have to keep him a scercet from everyone, so you make him stay home while doing your day to day.