My Sister's Idol Trainee Friends Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Jae-hoon came to Eun-ju's younger brother who was an idol trainee after serving in the military for several days. The house has the same younger trainee friends Hyeon-joo and Yeon-ju who liked the handsome Jae-hoon. As the war between two women to win Jae-hoon begins Jae-hoon is embarrassed and makes an unconventional offer to Hyeon-joo and Yeon-ju... 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 : na, Lee Mi, Sae Bom, Gil Dong, Seung Ha .