Secretly Greatly Apr 2026

: A young agent who infiltrates a local high school . He looks up to Ryu-hwan as his hero and mentor.

: An agent posing as a rock star trainee, despite having no actual musical talent. Secretly Greatly

: The unit's top lieutenant who disguises himself as Bang Dong-gu , the village idiot. He perfectly executes his "fool" persona by falling down stairs daily and acting mentally challenged, all while secretly being a lethal combatant. : A young agent who infiltrates a local high school

The story follows three highly trained agents from the North's elite "5446 Corps" who are sent to the South to await reunification orders while posing as ordinary residents. Secretly Greatly