"Hyuna, where were you?" IU asked.
"We've been searching for you all day" Suzy said.
"Ah, I went out" Hyuna said.
"With Hyunseung?" Suzy asked.
"How did you know?" Hyuna asked.
"Because when it comes to skipping classes. He's the genius" IU said.
"Our Hyuna is learning to break the rules!" Suzy said. "Your brother will kill you" she said.
"I know" Hyuna said.
"Oh, right. We have a new classmate" IU said.
"New classmate?" Hyuna asked.
"Yeah. She's beautiful and smart" Suzy said. "But I don't know about her attitude" she said.
"Why?" Hyuna asked.
"She seems...fake?" Suzy said.
"You sensed it too?" IU said.
"Huh? What are you talking about?" Hyuna asked.
"She's like Shin Ae" Suzy said.
"Her name?" Hyuna asked.
"Han Ji En" IU said.
"Ji En?" Hyuna asked.
"Yeah. Yah, your brother's here" Suzy said.
"Ah. What do I do?" Hyuna asked.
"Don't ask me" IU said.
"Kim Hyuna" Kibum called her with a stern tone.
"Ah...Oppa, hello" Hyuna said.
"Rooftop"
"Arasso..." Hyuna said and followed Kibum to the rooftop while the other two are silently praying.

...

"Why didn't you went to school--no, why didn't you went home yesterday?" Kibum asked. "If you're going to say that you were with Jieun and Suji, I won't believe you" he said.
"Oppa...I was with Hyunseung yesterday" Hyuna said.
"You! You two spent the night!!!" Kibum exclaimed.
"Yah. Oppa, nothing happened!" Hyuna said. "We just went to his grandparents' house" she said.
"Busan?" Kibum asked. "You went to Busan?!"
"Yeah..."
"I told you that you can't go to Busan!" Kibum said.
"Wae?! Why can't I go?! You never told me why" Hyuna said.
"Hyuna-ah, don't make this hard for me" Kibum said.
"Oppa, I need to know" Hyuna said. "What are you h