Lightning Degree

Bi Ryu-yeon, an oddball young man in his early twenties. When he became an orphan at the age of 10, he met his master and came into contact with the world of Moorim.
Biryuyeon’s fate changes when she accidentally meets the officials of Cheonmuhakgwan… .
Biryu-yeon and the odd master who appeared in Moorim on the scent of ink and rainwater,
An adventure of absolute martial arts and eccentricity that is unpredictable until the last moment begins.