Koume is a tiger-striped female cat living with Mrs. Nakarai and her teenage son Taku. One day she finds and brings home a mischievous little kitten they name Koyuki, and the peaceful days are over.

Karan is a 16-year-old girl, who's pretty popular with the boys at her school. However, she hasn't got any time for them-- she's more into (literally) 2-dimensional guys. Specifically, she's had a crush on o...