Yu Seo-ah and Han Chaerin

The next morning.

In the end, I didn't sleep a wink fighting the demon inside me.

"Phew."

Until recently, I used to pull all-nighters as casually as I ate, thanks to my insomnia.

So I thought I'd be fine.

Fine? As if. I was so tired that all the all-nighters I'd pulled before seemed like nothing.

The only reason I could endure them was because Sara had been there.

…Actually, I didn't have to endure them.

I could have simply pulled my legs out of the way and slept beside her.

'Staying up all night just to watch her sleep….'...