Poor Cross Gene's Seyoung is trapped in a dingy cellar-like space for the latest "Noona, You" teaser video, searching for an escape route.�

SEE ALSO: "Three Men Commit Sexual Assault"... Taeil Tied to a Disturbing Prediction post from Two Months Ago

As an unknown gassy substance fills the chamber, Seyoung desperately tries to look for a way out, all to no avail. In the end, he just decides to forget his situation and goes crazy--maybe it was the gas that made him go crazy?�

Watch as Seyoung dances, parkours, and twirls about in the teaser video above!�