How to say to enter the stage in Korean
Korean: 등장하다[ deung-jang-ha-da ]

Meaning
등장하다 means to appear or come in where people can see you. It is often used when someone comes onto a stage, but it can also describe a person or character showing up in a place or story. You will often hear it in shows, movies, books, and everyday talk.
Example sentences
친구가 문 앞에 등장했어요.
My friend appeared at the door.
연극에서 캐릭터가 등장해요.
A character appears in the play.
선생님이 교실에 등장했어요.
The teacher suddenly appeared in the classroom.
우리 강아지가 문 뒤에서 등장했어요.
Our puppy appeared from behind the door.





