Younger Sister's Girl Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Sang-Woo's house Byeongjin the younger brother of the family is about to live for a month. Wanjin pretends to see Sang-Woo's lover Jinju. Sang-woo finds out that they are dating for a while and Sang-woo is complicated. The difference is Sangwoo asking Jinju about her relationship with Wanjin. Her younger brother Wanjin doesn't even know Sang-woo's situation and even invites girlfriend Seol-young to Sang-woo's house. While Wanjin goes out Sang-woo twists Seol-young with revenge on Wan-jin. It does not come in. While Sang-woo and Seol-young are getting deeper between them Jin-ju is coming home to reconcile with Sang-woo. So who will she choose between her girlfriend Jin-ju and her sister Seol-young? Find out the following actor, actress, character names, and other movie-related words hidden in this word search puzzle based on this movie.. This includes identifying and searching for words that are related to : jin, young, Jo Wan, Yoo Sul, Sang Woo .