'YoGoBaLa - Social Life of High Schoolers Nowadays' offers an inside look at the newest teenage lifestyle. Hosted by Umji from GFRIEND, who boasts lots of tips to share with teenage viewers, and Yoon San Ha from ASTRO, who is also a high school student himself, the show introduces new teen trends that students aged 13 to 18 (also known as 1318) enjoy and shares hot tips on what teenagers worry about. Viewers send messages through a mobile app and Twitter account to share their stories and concerns. After collecting messages, the hosts pick some of the stories each week that fit the day's topic and take turns to share their secret tips. From eating habits and summer vacation to a generation gap, the to