Genta Igarashi (五十嵐 元太, Igarashi Genta) is the father of the Igarashi siblings and the husband of Yukimi Igarashi who transforms into Kamen Rider Destream (仮面ライダーデストリーム, Kamen Raidā Desutorīmu). Born Junpei Shiranami (白波 純平, Shiranami Junpei), he transformed into Kamen Rider Vail (仮面ライダーベイル, Kamen Raidā Beiru) 25 years ago.