Two Worlds in One Life

The protagonist's parents are away, and he goes to school alone in the city. He is introverted and withdrawn, but he gets the opportunity to go to a different world. The abilities gained in the different world play a huge role in returning to reality. He gets along with his classmates again on campus, but in the real world, there are many powerful evil forces and the terrifying power of the time. Guns, mechas, and technology, the protagonist has survived thrillingly time and time again. He also has unforgettable experiences in the different world, and there are indelible bonds with each other in the real world. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.