Eunhoo, the angel-faced kid next door, had adored his neighbor Seunghyeok since they were young.
Years later, on the day of Eunhoo’s college entrance exam, he finally confesses his feelings to Seunghyuk who accepts.

Because Eunhoo had always seemed so innocent, Seunghyuk decides to take things slow with him…
But that night, Seunghyuk wakes to a shocking sight; one that forces him to realize just how much Eunhoo isn't as innocent as he seems.