The Other Side of Fairyland

One day... He fell into an imaginary era. The unfamiliar environment made him lose his direction, but he hid his fearful thoughts and strengthened himself!! He accidentally fell into a shocking conspiracy but realized that although something felt wrong, when he realized it, everyone around him had passed away one by one. What should he do? Should he let his reason lead him to stand on the side of justice, or should his anger lead him to the path of evil?