It is the love triangle romance that takes place when Ye Jin goes to search for her long-time online friend named "Sweet Brick". She does not know if he is a member of her craftwork class named No Woon or the man she often meets by chance named Cha Ian. (Source: Kpopmap.com) ~~ Partially adapted from the webtoon "Sometoon x OH MY GIRL" (썸툰 x 오마이걸) by Mohito Mohikan (모히또모히칸).