On Floating Light Island—a place where deities may dwell—humans and a group of Cat Eggs live together. Driven by various intense obsessions, the cat eggs transform into cat spirits. These cat spirits blend into human life, tending their own fields; running chain grocery stores; entering the entertainment industry as popular idols; becoming shrine maidens; or choosing to rule over a mountain... And so, countless funny and heartwarming stories unfold in the daily lives of boys, girls, and cat spirits.