Pennyless office worker Nazuna finds herself homeless following an unexpected incident. That's when Jotaro appears from the apartment above, asking, "Would you like to stay with me for a while? It's perfectly safe. I wouldn't go near a kid like you." That's how the secretive, whiskered older man and the serious Nazuna began living together... Ordinarily gentlemanly, the moment he removes his glasses he becomes... a sadistic beast!! Just what will become of the cohabiting mysterious carnivore and the pure rabbit?