You are MY happiness.

Bae Suji and Oh Sehun are the Schools 'Heart-throb couple'.

They have been dating since Freshmen year as a result of Suji becoming Sehun's tutor. They grew closer and inevitably became a couple. However, it was a bet that made Sehun approach the untouchable Bae Suji.

Two years later, many challenges arise when Suji suddenly befriends the new handsome guy and Sehun's ex-girlfriend returns to the picture.

Watch how the young couple try to navigate unfamiliar feelings that deal with their insecurities, trust and love for one another.