Bushinden: I Was Offered as a Sacrifice, but Was Picked up by a God and Became a Master of Martial Arts

Toma Godo has always been seen as lacking ability since he has been unable to use magic since childhood. He was offered as a sacrifice to the [Extreme Demon Island], a place filled with violent demons, where he encountered a [Demigod] skilled in martial arts! After being taken in by the [Demigod] as a student, Touma discovered his remarkable potential, dedicated himself to martial arts training tirelessly, vanquished numerous demons on the island, and ultimately transformed into an unstoppable force in the world. One day, a mysterious girl arrives on the island, altering Touma's destiny entirely. Touma departed from the [Extreme Demon Island] alongside a stunning girl named Lise, but... Touma pledged to "protect" Lise, who carries a secret crucial to the fate of humanity, and now the entire world will know!