The Boy Forgotten By the World The hero Sid once led humanity to victory against the demons, celestials (which include angels, elves, dwarves, and fairies), spirits, and magical beasts (which include dragons). In the present, the soldier Kai and his comrades Ashran and Saki regularly inspect a monolith that seals the demons away. Kai is the only one who takes this job seriously because he once fell into the demon realm as a child, though no one believed him. Kai goes on a date with fellow soldier Jeanne...