lady-killer; Casanova; Don Juan
Refers to a man who is skilled at seducing women; often used in a slightly old-fashioned or literary context.
He was known as the biggest lady-killer in town.
kabuki actor specializing in romantic roles
Specific to kabuki theater; denotes an actor who has mastered the art of romantic or amorous acting.
That kabuki actor specializing in romantic roles shines especially in love scenes.
Compound of 色事 (いろごと, 'love affair') and 師 (し, 'master, specialist'). The exact historical derivation is uncertain, but the word likely originated in the Edo period with the kabuki sense and later extended to mean a seducer in general.