Read The Senior Disciple manga
“Master, I’m not fit for being the messenger!” the second swordsman of the Gweol Academy, Chang Baek, who is worthless by nature and has no merit, with the sudden death of the first sword dragon that everyone respected, takes over the position of the messenger job he didn’t want. After a while, Master Goun-haeng was murdered by an unknown, even the Do-orpa is in danger of being taken away!!! “Master said he didn’t know the whereabouts of the descendant of a thousand and a hawk! What the hell is that!!?” To reveal the truth of the death and to restore the door, the swordsmen and the six priests has chosen Kang Ho-haeng! And the ghosts of heaven and earth will slowly confine them!