When to use to come over in Korean
Korean: 넘어오다[ neom-eo-o-da ]

When to use it
"To come over" means to move from another place to where the speaker is, or to cross to this side. In Korean, 넘어오다 can be used when a person, animal, or thing comes over a wall, road, room, or to someone’s place. It is often used in everyday situations like visiting a home, coming into a room, or crossing over from the other side.
Example sentences
친구가 우리 집에 넘어왔어요.
My friend came over to our house.
쉬는 시간에 옆 반 친구가 우리 교실로 넘어왔어요.
A student from the next class came over to our classroom during break.
공이 담장을 넘어왔어요.
The ball came over the wall.
강아지가 길 건너편에서 이쪽으로 넘어왔어요.
The puppy came over to this side from across the street.
가게 직원이 이쪽으로 넘어와서 도와줬어요.
A store worker came over this way and helped me.
다음 역에서 사람들이 우리 칸으로 많이 넘어왔어요.
At the next station, many people came over into our train car.