Three years ago, Qidan accidentally met Yin, and the two fell in love, but they were forced to separate due to the tough tactics of Qidan's brother Hoshikawa Izawa. Qidan accidentally discovered that his brother, whom he had depended on since childhood, fell in love with him. After thinking about it, Qidan decided to give up Yin and try to get along with his brother in the lover mode. However, he found that because he loved Yin deeply, he could not become a lover with his respected brother. Between his brother and Yin, Qidan finally chose Yin, but what was the result?