“Don’t touch me! Please just leave me alone!” an 18-year-old guy, Hinata Takatoh screams. He now has a handsome stepbrother (25 years old and a president of a company) after Hinata’s parent got remarried.

The brother who is sociable and a man of strong character loves his new little stepbrother! He gently wakes up Hinata and makes breakfast and lunch for him every morning. But, Hinata is a guy of tsundere and he stubbornly refuses to budge. This is the story of brotherly love that transpires under the same roof.