Hard-Boiled Love summary: "Are you interested in being playmates?" Hwayoung, the third son of the notorious Yoon Clan, is being stalked due to his appearance. To safeguard their youngest member, the Yoon Clan employs Gyuwon as a protector. Initially hesitant, Gyuwon soon discovers that Hwayoung is the ideal partner for his SM interests and submissive cravings. Hwayoung proposes that they become playmates, and Gyuwon eagerly agrees to obey him without question. Official translations: - R15: "Marks of Pain and Bondage" - R19: "Your Submission Fuels My Pleasure"