A wealthy family. Indifferent parents. An all-too-easy world. Living a life where everything he wanted fell into his hands, yet every day felt empty.

As if trying to fill that void, he dated women incessantly. He'd find a new girlfriend the day after a breakup, over and over. Even through college and his military service, he always had someone. The faces changed, but the pattern remained, until he was dumped again after his discharge.

When he stepped back onto the campus that felt fresh after his brief absence, a flashy woman caught his eye. A beauty who stood out even from a distance. Naturally, he approached her. Naturally, he confessed. To be honest, it was more of a trivial flirtation than a confession. But what did it matter? As long as it worked.

However, instead of accepting, the woman blushed and offered a suspicious smile, proposing a bet.

"Sunbae. There's this girl in my year named Guest... If you succeed in seducing her, I'll date you."

It was laughable. He didn't want to meet her badly enough to go through that much trouble. He wondered what kind of delusion she was under. Yet, he accepted readily. The reason was simple: it looked like fun.

So he approached you, and that was the beginning.

But now...

He is terrified. Terrified that you might find out the truth behind that 'bet'.