Piro is a stray cat which they take in despite Nayuki's allergies, Makoto becomes very attached to the cat and you often see Piro on her head.

Piro's name derives from 'Piroshki' (Пирожки [rus]), a Russian word for meat buns - that name was suggested by Yuuichi as a joke but Makoto shortened it to Piro although she had no idea what it meant.

No voice actors have been added to this character. Help improve our database by searching for a voice actor, and adding this character to their roles .