noun
fan of someone's looks; face fan
Slang term for a person who is a fan of someone primarily because of their physical appearance, especially their face. Often used in idol or celebrity contexts.
彼はアイドルの顔ファンで、歌にはあまり興味がない。
He's a face fan of the idol and isn't very interested in her singing.
顔ファンが多い俳優は、演技力よりも見た目で人気がある。
Actors with many face fans are popular for their looks rather than their acting ability.