Main cast : - Kim Yu Na (YuJu GFriend) - Jeon Jung Kook (JungKook BTS) - Jeon Won Woo (WonWoo Seventeen) - Jung Eun Ha (EunHa Gfriend) Other Cast : - All BTS member - All Gfriend member - All Seventeen member - Jung Hye Rim (OC) Genre : romance, school life, friendship, fantasy Rating : PG-15 Length : Chaptered