Watch My New Sassy Girl full movie online Movies123. Watch My New Sassy Girl 123movies online for free. My New Sassy Girl 123Movies: Gyun-woo is having difficulty forgetting the sassy girl. He then reunites with his childhood sweetheart, an elementary school classmate from China who was often teased about her broken Korean. They marry despite family opposition, and Gyun-woo has no idea what marriage has in store for him.