PLEDIS Entertainment's new boy group TWS has made its grand entrance to the K-pop scene with five-track EP 'Sparkling Blue.' Rookie act debut The six-piece act consists of Shinyu, Jihoon, Hanjin, Dohoon, Youngjae, and Kyungmin. It dropped pre-release single 'Oh Mymy : 7s' ahead of their official debut. The name 'TWS' is an…