Pero Pero is a recurring supporting character in the anime and manga series Kareshi Kanojo no Jijou, also known as His and Her Circumstances. Pero Pero is the beloved pet dog of the protagonist Miyazawa family. The dog often provides comic relief and lighthearted moments throughout the series. Though not central to the main plot, Pero Pero's antics and interactions with the main characters showcase the warmth and everyday charm of the Miyazawa household, adding a touch of cuteness and humor to the story.