Squad, what do 'squad' means? In easy way, a group of best friends, I mean friends that you assume as family. In Eun High School, there are two top squads in the high school: SG and BTS. Who are them? SG is a group of funny, playful, childish and clever girls who have been 4 years with each other. How about BTS? A group of funny, playful, childish, sometime naughty and dangerous, clever and friendly boys who have