I Refuse to Be Your Disciple

[Two male leads, 1v1: an orphaned demon clan disciple X a master devoted to vanquishing demons]

He never expected to meet his master for the first time, years after joining the sect, only to nearly be killed by him. Fortunately, his senior brother rushed in to break up the fight. Unfortunately, his senior brother nearly died instead.

The two masters and disciples responsible for the whole mess have no choice but to set off together in search of a doctor and medicine to save him...