Tomoki finally proposes to his girlfriend, Mio, and agrees to move into her family home. Upon seeing the poverty-stricken home, he begins to regret his decision, but only until he meets Mio's beautiful younger sister and mother.

"With a promiscuous new wife, a mischievous sister-in-law, and a bombshell milf of a mother-in-law to keep Tomoki company, what man wouldn't feel right at home at the Shimoedas'?

One day, the underemployed, young man Tomoki marries into the Shimoeda family, made up of a mother and her two daughters living a life of extreme poverty. Thus began his poor, but blissful life surrounded by his beautiful mother-in-law Mikage, his adorable sister-in-law Miri, and his beloved wife Mio. The all-you-can-eat buffet of ultra-thick familial love of a home comedy is now complete!" (Project H.)