The world is telling me to become an adventurer!!

A middle school protagonist falls into a parallel world where superpowers clash and government and anti-government forces wage war. The fallen protagonist is rescued by a kind-hearted, muscle-brained anti-government member and is trained to use superpowers. After more than 10 years pass, the boy becomes a young man and turns into a skilled superpower user. One day, while investigating an abandoned government research facility, the protagonist discovers a machine labeled "interdimensional transfer device" and activates it, hoping to return to his homeland. However, the protagonist is transported not to his hometown, but to a fantasy world of swords and magic. "Since magic exists here, there must be a way to get back home." This is the story of the protagonist's journey to return to his homeland in a second parallel world.