A Brave Man Starts from Becoming a Succubus

World view: brave, demon, elf, dwarf, mermaid, nun. Goldfinger: The reincarnation of the strongest warrior, carrying the strongest weapon: the Burning Sword. The war between the heroes and the demons ended three hundred years ago. Yuuto, who traveled through time, had never seen a demon before. Today, three hundred years later, the eight commanders of the demon clan have broken the seal one after another, and are likely to make a comeback. On the day when Yuuto learned that he was a hero, bad news followed: He was infected by the demons when he was born, and his whole family died at the hands of the demons. At the same time, childhood sweetheart Yu Yin is also possessed by a succubus. Facing siege and calculation. In order to take revenge and save Qingmei, Yuuto resolutely embarked on the road of upgrading as a brave man.