At the break of one’s fifteenth birthday, words will appear on their left arm, ringing their wrists – the first words that will be spoken to them by their soulmate. 

Unfortunately, Lee Chaeyeon's soulmark looks like a Starbucks order.

"Good morning! Welcome to Starbucks! May I take your order?"

Eunbi was about to order her drink when she received a sudden phone call from one of her colleagues.

"Yena, the truck already arrived", Hyewon called out from the kitchen.

"Chae, the branch orders are here. I need to count the stocks for inventory. Man the counter for me, will 'ya?", Yena said.

"Sure, go on ahead"

Chaeyeon stood behind  the counter with a marker on her hand, ready to take the next customer's order.

Eunbi just got off from the call and told the barista her order,

"Grande Hot Skinny Caramel Macchiato, 120-degrees, Sugar-Free Syrup, Extra Shot, with Strawberry Drizzle, Upside Down"

Chaeyeon felt a sting go through her wrist as her soulmark glowed in a stunningly light purple color.

"What the hell?!", she couldn't stop herself from saying the words.

The same happened to the woman standing in front of her. Hers glowed in blue mint color.

Chaeyeon put a hand over when she realized what she had just said. The woman looked at her with a dark expression,

"You , of all the words you'll ever say to me, it's 'WHAT THE HEL