Is love always that difficult? What's gonna happen when I confess? Will everything change? Will the relationship we used to have change ?   Im Yoona (age 26) A member of the popular South Korea girl group, SNSD. Used to believe that love never exist as she had encounter way too many heartbreaks.    Oh Sehun (age 22)  Member of the most popular boy group, EXO. Fall in love at first sight with Im Yoona during his trainee days.