En underlig pige forvandler sig til en kat for at få sin udkårnes opmærksomhed. Men før hun ved af det, begynder grænsen mellem menneske og dyr at blive udvisket.

Yoshirou, a secluded teenager, brings back home a stray cat after a car accident. The next morning the cat has turned into a nice girl, Kiki, who wants to be his girlfriend... Will catnip get in the way of their love?