The Twin Sisters

Their parent's goodbye

It was eight in the morning and Flyn hopped off the bottom bunk and put on her night slippers that are fluffy bunnies.
"...What are you...doing..?" Asked Marianna, looking over the fence of the top bunk. She was still waking up. Flyn looked up at her and whispered,
" ...I'm gonna say good morning to Mommy and Daddy... " She tip-toed out the door and looked around. Suddenly, she heard footsteps coming out from the room. Marianna, thought Flyn. Flyn mouthed "Go!" But Marianna shook her head and pointed to their parents' door. Flyn frowned. She looked at their parents' room and held her finger to her lips while shushing. " Shhhhhh.... " Marianna mouthed "Okay."
Suddenly, they heard a loud THUMP! They both jumped and scurried to their room but they fell. Flyn looked up and found her parents standing over them.
"What are you doing, twins?" Their Dad (Brandon) said. Marianna gulped. The Mom  (Selena) looked disappointed, she was very, very ill.
"...I-I just w-wanted to say g-good morning..." Explained Flyn. Marianna realized there were suitcases on each side on the parents' hips. Marianna gasped and nudged Flyn. Flyn looked at her, Marianna pointed at the suitcases.
"NO!" Flyn yelled.
Selena looked at Brandon and he looked at her. They spread a smile across their faces. They looked back at the twins and whispered,
"Bye. Meet Melissa."
The twins gasped and looked behind them, the door. But not only the door, a woman standing in the doorway. The parents pointed at the woman and smiled more.
"You weren't gonna tell us you were leaving!? Weren't you?!" Marianna asked. The parents' smiles faded and they walked out the door, dragging their suitcases. Except the lady still stood there. She waved. The twins got up and started crying.
"How long are they gonna be gone?" Asked Flyn.
" One week. That's all. I'm your babysitter. My name is Melissa. Which one is which? "
Flyn looked at Marianna. "...She's Marianna..." Mumbled Flyn. Melissa smiled friendly. That made them a little bit more comfortable.
"Oh, so you're Flyn?"
" ..Yes...Ma'am... "Flyn responded.
Melissa walked to the kitchen (and of course closed the front door).
" I'm making cookies;Who wants to  help me?" Melissa asked, grabbing a pan. Marianna shook her head and headed towards the library (they have their own library in their house). Flyn looked a Marianna and walked to the library.
Melissa shrugged and tried to find the cookie dough.
"Oh, looks like I'll be going to the store. I'm trusting you guys to be here alone at the house. Adios!" Melissa said, heading towards the door.