Here are five easy words/phrases you can learn from this video. Watch the subs for more vocabulary :)
고백 (gobaek) - confession
영화 (yeonghwa) - movie
손가락 (son karak) - finger
약속해 (yak sokhae) - I promise
무슨 생각해? (museun saenggak hae?) - what do you think?
If you have any more questions you can ask in the comments!!