The story is about a group of high school boys with Tay, Mick, Bae and their new friends. Come join the Bird group, who came to tell a strange story to the 3 of them that last night, while on MSN, it turned out that "Kie" appeared to greet him. Even though everyone knows that Kie, an old friend in the group during the second year of high school, has been intertwined between disappearance or death for a long time.

The beginning of a mysterious story, Prequel of "12 Begin" and "13 Beloved"

Two boyhood friends are separated due to the disappearance of the sister of one of them, then later meet again as teenagers, when one of them has become a pop singer, and they discover feelings that they did not know they had.