Why Is the Villain So Beautiful?

I knew I couldn't come up with a proper blurb without starting the story qaq 1. Stubbornly strong all his life / beautiful, strong, and tragic / sickly villain shou 2. Male lead one: wonderfully weird thought process / hopeless romantic / peerless in the world (first-love type) Male lead two: regent / holds a grudge over every slight / bursting with possessiveness (coercive type) Male lead three: loyal puppy at first / goes dark later / crosses the line between master and subordinate (locked-room type) 3. Story elements: everyone is charmed by him + love-triangle chaos + pick your favorite love interest Theme: .