Mystari's manga / #Author(3)

Sora and Tatsuki are step-brothers whose parents died in an accident. Since then Sora has taken care of the younger brother, Tatsuki. Now Sora is a very popular mystery writer. Tatsuki is an editor of a women's magazine. Tatsuki feels guilty because he can't stop himself from loving Sora and decides to move out. However, Sora can't stand being alone and spends all his time at Tatsuki's. One day, Sora agrees to write for the women's magazine if Tatsuki can be his editor.