In Our Prime Word Search Puzzle – Search Characters, Actors and Actresses. Word Search Puzzle Solver. Ji-woo an outcast at a prestigious private school meets Hak-sung the school janitor who is actually a mathematical genius who defected from North Korea. 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 : mo, kil, kyu, eun, hwi, sik, suk, jun, hae, rin, sup, seo, hwi, sang, jung .