SangWoo studies in the library alone until JaeYoung joins him.

I Can't Concentrate

Son Su-ho

Kim Min-ju

Don't Call Me "Hyung"

JaeYoung and SangWoo go out drinking and play Yaja Time.

JaeYoung flirts with SangWoo on the phone.

All Talk, No Responsibility

JaeYoung sends SangWoo on a treasure hunt.

April Fools (Unreleased Side Story)

Choo Sang-woo, a Computer Science major, is a stickler for principles and the embodiment of rule compliance. The encounter between two individuals, one with a mind for engineering and the other for the arts, whose personalities don’t overlap in the slightest, continues relentlessly – whether by coincidence or fate. And somehow, despite everything, they are creating a mobile game together?! The bright red semantic error, Jang Jae-young, shakes Sang-woo's perfect world! Will he be able to debug this error?

I Can't Concentrate

Seasons1

Season 1 Episodes4

Cast2

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Episode Summary