In a world where pet dogs and cats are humanized, who really owns whom?

Due to a declining birth rate, pets are being transformed into humanized members of society. But are they truly human? Or are humans truly animals?

Ao’s been kidnapped, and her loyal dogperson Taika is hot on the trail. But Ao fears her humanized pet is so desperate to save her that he will lose all sense of proportion. Meanwhile, as humans Seki and Yoichi grow closer, their dogpeople grow dangerously further apart…