From Shinmakoku Scanlations :

Touji's daily routine is cooking, doing laundry, and cleaning... Before he knew it, he has become like a househusband who takes care of his large Udagawa family. One day Touji's cousin Yuuto joins the family and Touji cannot take his eyes off the innocent Yuuto. He even has erotic thoughts about Yuuto. With his feelings spinning out of control, what will happen to this Itokon?!