Ryujin and Yuna's parents hired a baby sitter because they'll be going out of the country for a week and they needed a baby sitter just to be sure. Ryujin felt mad and disbelief since she thinks that their parents doesn't trust her. Well as they see to Ryujin... she always being an attitude towards Yuna. Today is the first day for Sana but then she got a problem, she needs to go back to Japan immediately because her father said so. One person came up to her mind she knows this person doesn't do anything except for sleep, eat and play games. She dialed Y/n.
"Sana unnie???" Y/n asked when she answered the call.
"I know you're free and I need your help!!!" Sana said panicking.
"What kind of help???" Y/n asked curiously.
"Well you know me being a baby sitter, right?? And....." Y/n already knows where this is going.
"Oh no.... don't tell me I'm going to be your sub..." Y/n said seriously.
"Well.... Dad called me yesterday and told me to go back to Japan immediately~ and today is my first day but I need to go to Japan today I already book a flight~ please Y/n-ah~ I'll treat you! I'll give you Naeun's photocard with a signature! I promise!" Sana begged Y/n.
"Fine unnie~ but please don't break your promise~" Y/n said seriously. Sana is happy knowing Y/n will get it.
"Ne!!! You know me Y/n-ah! I don't break promises that easily! Thank you!! I love you so much!!" Sana said happily. Y/n chuckles.
"Ne! I love you too unnie~ please have safe flight later~"
"Ne~ bye~ and please be good to them!" Sana said to her happily.
"Ok~ bye~" Y/n said softly. The call ended smoothly. Y/n sighs and stands up from her bed and take a bath. Sana texted her the information she needs to know but she forgot about that she'll gonna tale care of teenagers not a kid. Y/n decided to wear this:
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She chooses to wear some comfy clothes since she's just going to take care of some "kids". Y/n goes to her garage and pick her favorite car and drive to the said address by Sana. She plays the music on and just sing along while getting into a traffic.
Once she arrived, she double check if she went into the right address and she did. It's a two-story modern house and Y/n likes the exterior design. Y/n park her car and goes out. Then she saw a doorbell so she pushes the button and the doorbell rang.
Ryujin sighs once she heard the doorbell she stands up and get the door. She opens the door and it reveals a girl taller than her a bit with a cap on. Ryujin is not gonna lie she's beautiful.
"You must be the baby sitter." Ryujin said with a pissed voice. Y/n just nods her head. Ryujin looks at her with a weird look.
"Come in." Ryujin said seriously. Y/n thought maybe that's why they hired a baby sitter since this girl in front of her has too much attitude. Y/n goes inside their house and she sees another girl. Tall girl and looks younger and kinder than she met earlier.