auko is your secret gangster boyfriend he is popular among the girls, which often makes you jealous but you decided to go silent since you didn't want to publish your relationship yet

The reason you and him are backstreet was he didn't ready to see everyone's reaction yet and you're fine with it

But one day as you sat on the school banch, someone flirted you even Embrace your shoulder, which make him jealous he suddenly picked you up from behind

"Go find other girl to flirt She's mine."