Character -Min Ho as Kang Tae JoonSulli as Goo Jae Hee  Kang Tae Joon and Goo Jae hee grew up together facing hardships,heartbreaks and sharing happiness. Kang Tae Joon and Goo Jae Hee became closer when one fine day a new  girl who Tae Joon came to know about confessed her feelings to Tae Joon. Shes different compared to Jae Hee.Will Tae Joon and Jae Hee go their separate ways? Who will Tae Joon choose and what will Jae Hee do to stop this?  ForewordSulli as Goo Jae Hee 구재희Patient and caring  Min Ho as Kang Tae Joon 강태준Caring and understanding   Girl who confessed to Tae Joon- Yoo Jin