Hazama Shun is all fed up with his mother, Hatsuka and her suitor Tomaru. He decided to get away from home and work at a restaurant of an old friend of his mother (Kagura). On the way, he has a fateful encounter with Inou Youko. There, he met Kagura's daughters, Mai, Rina and Rio. However, Tomaru soon arrives at Summer Radish too, causing much trouble for everyone.

Will Shun succeed in protecting everyone and finding his destiny?