Pc

Short for photocard

Pc is used in kpop for kpop idols’ photocards.
Many people collect them and it’s easier to write pc instead of photocard

Friend: “Which one of your pcs are your favorite?”
Me: “The MINT Yoongi one!:D”

WTS

Want to sell. WTS is often used in the kpop photocard collection world

Instagram post: “WTS

Jungkook from BTS photocards..”