Complex sentence: One of the fans of Woo Hyuk made a fanvideo on Youtube with his co-star on Autumn in my heart Moon Geun Young, which became a new idea for the other kpop fanatics to have a new adorable "love team" on Korean Entertainment.
Split into simpler sentences: One of the fans of Woo Hyuk made a fanvideo on Youtube with his co-star on Autumn in my heart, Moon Geun Young. The fan video became a new idea for the other kpop fanatics to have a new adorable "love team" on Korean Entertainment.