Sehun: LUHAN ANSWER ME RIGHT NOW
Luhan: ???? r u ok
Sehun: I THOUGHT THIS WAS A SOLO DANCE
Luhan: no??? im doing it with kai oppa, didn’t he tell u
Sehun: WHSHSIKSOSKS
Luhan: whats wrong
Sehun: I SAW THE CHOREOGRAPHY U R NOT
Luhan: its supposed to be y sehunnie im sorry if ur still a pure innocent soul
Sehun: DO IT WITH SOMEONE ELSE
Luhan: ??? but hes a good dancer, and weve already practiced together a lot
Sehun: i hate u
Luhan: whats wrong with kai
Sehun: do it with me
Luhan: excuse me
Sehun: im a better dancer do it with me
Luhan: sehunnie its supposed to be all tempting and hot and if its done by siblings that kinda goes away
Sehun: graghhhdgshs
Luhan: im confused
Sehun: i still hate u
Luhan: why
Sehun: because
Luhan: i have no idea what got into u but if thats it i gtg i still have to practice with kai oppa 
Sehun: in hell
Luhan: r u just upset that u dont get to be in the intro performance? 
Sehun: nvm later
Luhan: bye then

Sehun groaned loudly, sinking into a chair. Kyungsoo looked at him questioningly.
“She’s doing a dance with Kai. Kai of all people!” Sehun complained.
“What’s wrong with that?”
“Kai is…just…”
Sehun had no clue why this was bothering him so much. It shouldn’t be, but it was grating on his nerves.
“Sheesh, being overprotective of your sister now?” Baekhyun said, grinning. “Our cute little Sehunnie.”
Sehun glared at him. “I’m not being overprotective.”
“Did you see them practice? The chemistry is so real,” Chen added, smiling. Sehun gritted his teeth.
“She suits the concept well, surprisingly. It's so intimate,” Suho remarked. 
“Not helping,” Sehun muttered through gritted teeth.
“Aw, just admit it. You love your cute little sister and don’t want to see her act all hot with another guy,” Chanyeol piped in. 
“Ugh, shut up.” Sehun got up. Why he even bothered trying to talk to them in the first place, he didn’t know. He stalked away, hearing whistles and laughs behind him.
“He has a sister complex and he doesn’t even know it,” he heard Xiumin say, and he clenched his fists and kept walking. 
Sister complex? No ing way.

He realized he was headed towards their dance practice room and stopped when he heard music from inside.
He watched, his mouth dropping open, as Kai and Luhan, his little sister, were spinning around each other enticingly, Kai pulling her towards him, not breaking eye contact, his hands traveling down her back smoothly before letting her twirl away. It was so graceful.
Luhan looked very focused, and was biting her lip (a habit Sehun knew she did when she was nervous) as she moved with Kai. 
They finally finished practice, both