가로수길 건물 3층 대관, 수 만장의 포스트잇, 250명의 메신저들, 3월 14일 화이트데이. 당신이 수정씨라면, OK? Rented three floors of the building, Covered the window with zillions of post-its, Helped by 250 messangers, On March 14th Korean Valentine's day (white day). If you were Soojung, will you say OK?