Infinite Mage [Remake] - Chapter 28: A Rumor that shook the Academy

Elias and friends thought it was just a storm, everyone at Avonside University did, but when the clouds cleared and the sky was revealed again, they were met with a strange sky. Gone were the city lights and everything beyond the limits of their campus, replaced by a mountain wilderness. Elias is further swept away when he is torn from his friend's grasp and transformed beyond recognition. Will the newly dubbed Ryn find her way back to her friends, and or will she return to Avonside to find it ransacked and destroyed by the strange and magical forces that inhabit the new world?

The older young Lisko woke up and found that he had become an American. He took over his father’s ranch and began to live in the United States.

- Description from novelbuddy

He was on his way to buy some beer to celebrate his acceptance as a civil servant when he was suddenly isekai’d by truck-kun.

You thought being reincarnated as an extra-side character was bad? Imagine being thrown into the body of a villain who is disowned by his own family and discarded by the author.