Boseuga Baljeongnam

Sa Baek-Min, the guildmaster of the “From” Hunter Guild, has gone missing in a dungeon. Deputy Guildmaster Baek Sin-A enters the dungeon, which is currently in the midst of its breeding season, to find him. There, she encounters an unknown incubus monster named Glitch... “I'll protect you until we find that hunter. In return, give me your life force.” To make matters worse, she has to calm the boss’s heat before she can proceed to the next floor? The sizzling tale of B-rank hunter Baek Sin-A and the incubus monster Glitch as they take down the boss♥(Source: Ridibooks, translated)