Even some members of the nation's girl group can be very nerdy once in a while.

Jeongyeon has an altercation with the supernatural.

High school tends to be a series of "seeing red" before something insane happens (for better or worse). No one really understands what's happening until they actually feel it as the world disappears when the red flashes. Jihyo knows it's not always a temper problem.

Sana is a relatively lonely psychiatrist with some interesting patients.