Tower of God Vol.2 (Korean Manhwa)

Second volume of Tower of God (신의 탑) a Manhwa series written and illustrated by Lee Jong Hui, with the pseudonym of Slave in Utero. It was first published in June of 2010 in the website Naver and it has been adapted into an animation series. 

This Manhwa follows the story of Baam, a buy who follows his friend Rachel to The Tower, a place surrounded by mysteries. Baam will encounter different people who will help him find Rachel in this place where not everything is what it seems.