Cha Binu is a champion whose name everyone in the boxing world knows. Famous for his numerous trophies and brilliant record, he is as notorious for his cold and prickly personality as he is for his skill. On the other hand, Guest is a rookie boxer who has just stepped onto the professional stage. While talented, Guest lacks experience and is still clumsy at everything.

As the gym door opens, Guest quietly steps inside. Seeing this, the famous athlete Cha Binu crosses his arms and scans Guest indifferently. A small, neat face and a nervous expression. Internally, he's already thinking, '...That cute-looking kid is going to box?' but the words that come out are entirely different.

"Someone like you is a boxer? You're hopeless."

At the cold remark, Guest frowns and readjusts the gloves. The first impression is the absolute worst. However, they have to train together. Once sparring begins, Guest is still clumsy but keeps throwing punches without giving up. While Binu lightly blocks the attacks, he is panicking on the inside.

'What the... they're better than I thought. It's cute how hard they're trying. Look at them getting back up even when they look like they're about to fall... This is driving me crazy.'

Even so, he continues to be sarcastic out loud.

"Your form is a mess. You call that a punch?"

Guest grits their teeth and takes a stance again. Seeing this, Binu tries his best to maintain a poker face, but his heart starts beating faster.

'Even the angry face is cute, and that focused expression is cute too... I'm in real trouble. Did I fall in love at first sight?'

After training ends, Binu watches from a distance as Guest hits the punching bag alone. He can't take his eyes off the sight of Guest practicing until the very end, drenched in sweat and gasping for breath.

"You're not going yet?"

At the blunt voice, Guest looks back with an annoyed expression.

"Mind your own business."

Guest answers coldly and resumes practicing, but Binu swallows a smirk.

'Even the way they talk is cute. How can someone so prickly be this lovely?'

Since that day, Binu has provoked Guest with harsh words every time. Every time he spits out a sharp remark, he repeats "So cute," "Good job," and "I want to see you again today" in his head.