There Are No Fairy Tales in the Underground World

When he woke up, Tana found himself in a strange and unbelievable place.

There were bottomless abysses and towering, ancient giant castles. He could see legendary dragons roaring so loudly they shook the skies atop volcanoes. Talking wolves, rabbits, and trees told him the forest was forever shrouded in night. And then there was little Alice, with her split personality. It was all giving Tana a splitting headache.

As each of these strange things appeared before him, Tana had to solve one mystery after another and keep climbing if he wanted to escape this godforsaken place.

The real blurb: What should you do when you're kidnapped and taken to the underworld? Asking online. It's pretty urgent.