Why Does My Youthful Anthem Have a War-Torn Interlude?

As an ordinary high school student, Li Lin would sometimes fantasize about transmigrating like characters in novels or manga. Then one day, although there was no truck involved, he somehow really did transmigrate. But things weren't quite like he had imagined.

"Hey, how did I transmigrate to Sarajevo?"

(A different kind of urban martial-arts badass story. I deleted most of the usual urban martial-arts badass stuff, but kept a little, so you'd still know you're reading an urban martial-arts badass story!)