iwon and Beomwoo had been inseparable childhood friends ever since they were little.

That’s why the sudden news that Siwon had gone abroad to study — without a word — came as a deep wound to Beomwoo.

Six years passed like that, and as Beomwoo was living a reckless, promiscuous life...

A voice he couldn’t mistake for anyone else pierced through sharply.

“Are you a slut?”

As if to prove that many things between them had already changed.