Han Jae-sik저 강마루씨가 보내서 온 사람인데요.I was sent here by Mr. Kang Ma-ru강마루씨가 심부름 보내서 왔는데 문 좀 열어주세요.Mr. Kang Ma-ru sent me here on an errand. Please open the door.없나?Is no one home? Seo Eun-gi누구세요?Who are you?Han Jae-sik안녕하세요Hello.