뿐
there is nothing else, it is the only one.
Explanation
Kimchi Reader
Used when there is nothing more than the content of the preceding statement or when it is the only one.
Examples
하루 종일 먹은 게 김밥 한 줄<span class='focus'>뿐</span>이라서 너무 배가 고파요.
I'm so hungry because I only ate a piece of kimbap all day.
내가 가진 것은 천 원<span class='focus'>뿐</span>이에요.
I only have a thousand won.
2 more sentences in the app — free account.