Because you like Zenitsu Agatsuma in Demon Slayer
Kenzo Tenma would have never guessed that ten-year-old he saved would later become a deadly serial killer intent on "thanking" him. See them in Monster (TV Show).
When Andrew Neiman is not in classes during the day, he's rehearsing his drums until his hands bleed at night. See them in Whiplash.
The Ice King is lonely and looking for a princess to sweep him off his feet. See them in Adventure Time.
Andrew Glouberman is trying to make it through puberty with his sanity intact. See them in Big Mouth.
With his perfectly combed hair and flashy military outfits, France can charm the pants off of anyone—well except his fellow nations, it seems. See them in Axis Powers Hetalia.
The last war left his economy devastated, and now Germany is engaged in another war and stuck with two barely trained allies for help. See them in Axis Powers Hetalia.
David Rose likes his rose chilled, his linens pressed, and his family quiet. See them in Schitt's Creek.
Driven and straightforward with high-technology parts, EVE was sent to Earth to see if it is habitable. See them in WALL-E.