Ojou-sama to Aware na (Ko) Shitsuji

Rikudou is pretty much homeless because of his freewheeling father. Fortunately, his uncle took him in and arranged everything for him with the sole condition that he serves as a bridge between him and his rebellious daughters. He readily agreed, thinking that it was a common worry for a father, and thus his days of suffering began.

[From Hau~ Omochikaeri!]