After losing their parents in an accident, Sora and Tatsuki became stepbrothers despite not being biologically related. Sora, the older of the two, took on the responsibility of raising Tatsuki. As time passed, Sora gained fame and recognition as a popular mystery writer. Meanwhile, Tatsuki had moved out and worked as an editor for a women's magazine. However, Sora found himself unable to bear the loneliness of living alone and spent all his time at Tatsuki's place. Tatsuki, struggling with his feelings for Sora, decided to distance himself from their bond and embraced a solitary life. One day, everything changed when Sora requested Tatsuki as his editor for a series of interviews for the magazine. This request ignited feelings within Tatsuki that he thought he had buried long ago. Will their relationship move past familial ties and become something more? Read "Kill Me" to find out.