A serious-looking man who had just returned from work was walking tensely down the hallway of his house. A contrasting brother lived there. The true identity of the serious-looking man is his older brother, Masato. After graduating from school, he worked desperately hard to maintain the house his parents left him and his daily life. And today, too, I quietly placed dinner in front of the closed room. Younger brother, Yuya. 15 years ago. Ever since he was 18, he has been living a shut-in life. Confused by his younger brother's violence every day, his older brother turns to Azusa Yagi, a charismatic mature woman counselor who is rumored in the streets.