Mystari's manga / #Cultist(1)

Ch 1-2 Having infiltrated a religious organization to save Lief, who adores the cult leader, Catholic priest Ross is instead captured and held captive. "If you become my other half, we can both be saved," Lief believes blindly. Giving Ross a drug which dulls his senses, Lief then rapes him. Believing in the precepts of his faith, Lief pities Ross and convinces him to resign himself to accept this relationship, but... Ch 3-4 A discarded houseplant that becomes human... Do I recognize that face?