Joohyun was having lunch with her friends in cafetaria, they're not having class after that.

"Where should we go after lunch?" Taeyeon ask.

"Karaoke?" "No, how about shopping?" "I agree karaoke" Taeyeon, Tiffany, Jr, and Jin were argumented about that. Suddenly Joohyun's phone rang, she picked up a while she hang up.

"Guys.." they didn't heard she was calling them, "Guys!" She shouted a little loud, then they turned to her blinking their eyes.

"What happened Hyun?" Jr ask.

"I want to apologized before, I can't join you. I have something urgent to do." She said, felt sorry to them.

"About what?" Taeyeon ask.

"Uhm..." She don't know what to say, she can't lied too.

"Probably her twins Seohyun, ask for her help. Right?" Jr said and show a disgust face. Joohyun tilt down her head and fake a smile,

"Gosh, Again? what's now?" Tiffany ask.

"She want me to replace her in math class, because she want.. she want to.."

"She want to  hang out with her friends. am I right?" Taeyeon said, and Joohyun nooded.

"Come on, you're going out with us too. Don't help her this time, you can't keep helped her like this." Jin said.

"But, eonnie will angry if I didn't help her. It's okay you guys having fun there," Joohyun said.

"No, just come with us." Tiffany said, they nooded in agreement then they dragged her outside after pay the bills.

"I need to help her, or else I'm die." Joohyun said, but they pretended to not heard her. they get in the car and drove away too mall "I'm die"

"You're okay not going to class?" a boy ask.

"Don't worry I told my twins to replace me." Seohyun said.

"Again?" he ask, and Seohyun nooded. "Poor girl.." he blurted out,

"Yah Min YoonGi! Are you feeling bad I'm doing this to my own sister?! Interested with her huh?" She