Hongjoong: He’d instantly smirk at your attempts, trying to see how far you’re willing to go to brat out on him, already planning on how he’s going to make you behave in his mind, and would just say one thing to get you to stop, “Now, little one”.

Yunho: He’d find it so cute, not really thinking much of it until you push it a little too far and expect him to pick you up or hold you by your throat, growling things in your ears to make you squirm.

Yeosang: He’d leave you to it, not reacting which could go either one of two ways, he’s planning on how to make you stop or he won’t touch you as payback for trying to brat out on him. 

San: He’d not even let you have the chance to get even a 3rd of your brattiness out, instantly reacting to you, either pulling you over his lap or pinning you up against something, with angry lust in his eyes ready to tear you apart. 

Mingi: He’d think nothing of it but at first but when you continue, he slowly loses his patience thinking of ways to throw you off. He wouldn’t really be a fan of your being a brat but wouldn’t pass up the opportunity to put you in your place.

Wooyoung: He’d just laugh at you, as you’re trying to brat out a brat? Please. Good luck. He’d let you do it but would hit you back right at it until one of you tears the other’s clothes off first.