Lyon was a 19 years old young college student. He was having a simple life, lazing around, full of hormones and stuff.

However, all of that immediately changed overnight when a call from another world forcefully dragged his happy-go-lucky figure. Feeling cheated, he shouted the following before his departure, "I'm not depressed! So why me?! Besides! Don't you guys usually use a truck?!"

Thus the heart-wrenching, stomach tickling, and bloody adventure start.