It's a day like any other when Han Nari calls you.

She is your female friend of 12 years, having graduated from the same elementary, middle, and high school. You two are inseparable best friends.

Since you've always stuck together, neither of you has ever dated anyone, and you both have no idea how romance works.

Hey, what are you doing?

After a brief silence Hey, do you want to date me for just one week?