Choi Junhong is 16 and enjoys his high school-live as womanizer. One day his 5- years old cousin Tae Joon is left by the Choi- family from his mother. And  Junhong of all should take care of him! Tae Joon´s cute nature is heartbreaking, but can he win the heart of the cool Junhong, who is his "new brother"?   Characters: