Lee hyukjae, second son from lee corporation owner. 16 years old. Cheerfull, beautiful/cute boy, smart, maudlin, etc. Really love strawberry.

Leetuek, Hyukjae brother. Love Hyukjae,25 years old. Protective and take care his brother so much.

Choi Siwon, the most richest youngman in Seoul.  24 years old. Look like didn't have heart but the truly he is so kind particuraly people he love. Life with his grandfather. Loss his parents when his was kid. Kind of person who have priority to make person he love happy first even if he must get hurt.

Cho Kyuhyun, Siwon best friend. 24 years old. son of Cho compony. Fall in love with Hyukjae at the first sight

Lee Sungmin, Hyukjae cousin, 17 years old. Love hyukjae as his maknae cause his didn't have brother or sister. Fall in love with Kyuhyun.

Kangin, the one who become rich with sneaky way. Hate Siwon so much.

One day, suddenly Hyukjae father make him marriage with Siwon. The truly is their grandfather make a promise to marriage their grandchild.