In the final battle against the evil organization, Sentai hero Tougo Asagaki was killed in a draw. He thought he had lost his life, but when he woke up, he found himself reincarnated in another world! In order to save people in trouble in the other world, he became an adventurer and continues to fight today, transforming into Kizuna Red! The story of the strongest hero in another world and Sentai heroes.