My Personal Favorites (Old)

Minjae’s been dumped. Fed up with their long distance relationship, his actress girlfriend Hye-Eun left him while he was “finding himself” in Australia. When Minjae rushes home and runs into Hye-Eun and her gorgeous new man, Woochan, at the airport, drama ensues. Amidst the chaos, the two love rivals bang heads. Upon waking, they discover they’ve changed bodies! Why have they switched? How will they cope? Will they ever be able to go back?
(It's such a happy ending.. I couldn't stop crying)