Wakiyaku ni Tensei Shita Ore Demo, Gimai wo 'Kouryaku' Shite Ii desu ka?
脇役に転生した俺でも、義妹を『攻略』していいですか？
A man is reincarnated as Kanzaki Eiji, a supporting character in the game *Koikoi ni Somaru Sora*. Eiji is the stepbrother of Suzuna, the heroine the main character is meant to rescue. The protagonist is expected to save Suzuna in three years, but she is currently suffering. Eiji decides to act, despite not being the main character, to help his stepsister. His efforts to save her begin.