Midnight Dweller

After the sudden death of the eldest soon who came back after visiting the mysterious night forest(yarim) in order to learn the martial arts ..Minhwan the 2nd son is chosen as the next head & was send to yarim once again so that he could become his disciple .Minhwan unexpectedly made Danryeong, the head of the Demonic Cult, his master & over time developed feelings for him ..So when Minhwan learns that Danryeong has a liking for drinking *** he asked him to drink his..??