二枚目

Etymology
The literal sense is a compound of, literally “second sheet, second flat thing”. The idiomatic usage arose from a convention during the wherein a  play's handsome character would be listed second on signboards.

Noun

 * 1) a handsome male character, especially one that gets involved in a romance during the story
 * 2)  a handsome man, a male love interest
 * 1)  a handsome man, a male love interest