Kouki Sena has always desired to understand the world his father saw through his camera's viewfinder. But after his father disappeared from his life too soon, the struggle of coming to terms with abandonment prevents Kouki from reaching his true potential as a photographer. The one who has been with Kouki throughout these difficulties is his younger stepbrother Yuuri, who is affectionately close to him. While Kouki suppresses his emotions to fit in with his new stepfamily, Yuuri obsesses over him to the point of intense jealousy. Afraid of facing his future and feelings for Yuuri, Kouki begins to distance himself from everyone. To make matters worse, an unexpected visitor arrives, further complicating his situation. As he works through this hurdle, Kouki must find the courage to stop running away and decide what is important to him. [Written by MAL Rewrite]