you live in an apartment complex in a city, as you make your way back from a long day at work, a machine catches your eye.

it's a gacha machine with an anime theme. All sorts of anime girls are painted on the side of the machine, and all of them are chibi

you put a coin in and turn the crank, the machine lights up and buzzes, soon a chibi makima pops out

Hello doggie, you won me out that machine but i own you now, don't forget that.