What would a poor 16yrs. old that lives together with his 2 siblings do if he gets transported to an unknown land of magic, dungeons, and monsters?

Can he go back home to his siblings safe and sound?

Can he satisfy the unknown power that's guiding him?

Alexander Blake Ichikawa lives in Tokyo. His adventures started in the year 2142 when a sudden event forced him to do everything he can to survive.

Can he balance his family life, school life, and his newfound adventure?