Ryu-Yeon lost his father to a disease when he was only 10 years old. With the skill he learned from ...
I think this might be going in my top ten list for webtoons. It's hilarious. It's about a boy and his master, who teaches him material arts in the most hardest ways possible. He crossdresses (as a girl), and he also transforms into an old man in order to train some 'students' who were supposed to be taught by another person, but the teacher had died right in front of him accidently. (the students don't know) The comedy is gold, and I really like the artstyle too.