목소리가 개판이에요! 그리고 다른 분이 만든걸 다시 만드는거라. 후에 문제가 된다면 삭제하겠습니다.
In video, I had used a logo source which someone made it. I didn't know exactly who made it. so after that, when it gonna has any problem, I am going to delete this video.