Shinyu, the leader of the rookie boy band TWS, poses during a press event held to commemorate the group's debut at Blue Square Mastercard Hall in central Seoul's Yongsan District, Monday. The boy group debuted under Pledis Entertainment, the powerhouse behind K-pop act SEVENTEEN. Korea Times photo by Jeong Su-ji

TWS' Chinese member Hanjin poses during a press event at the Blue Square Mastercard Hall in central Seoul's Yongsan District, Monday. The group debuted on the same day with the album, "Sparkling Blue." Korea Times photo by Jeong Su-ji

TWS' member Dohoon makes a heart shape with his hands during a press event at the Blue Square Mastercard Hall in central Seoul's Yongsan District, Monday. TWS is the first group to debut this year under K-pop powerhouse HYBE. Korea Times photo by Jeong Su-ji

Youngjae of the rookie boy band TWS poses during a press event at the Blue Square Mastercard Hall in central Seoul's Yongsan District, Monday. "Sparkling Blue" consists of five tracks, including the lead single, "Plot Twist." Korea Times photo by Jeong Su-ji

Jihoon of K-pop boy band TWS throws a hand sign during a press event at the Blue Square Mastercard Hall in central Seoul's Yongsan District, Monday. The music video for the group's song "Oh Mymy: 7s" has garnered more than 4 million views on YouTube as of Tuesday. Korea Times photo by Jeong Su-ji

Kyungmin, TWS' youngest member, poses during a press event at the Blue Square Mastercard Hall in central Seoul's Yongsan District, Monday. The members of TWS said during the event that they want to become "perfect idols." Korea Times photo by Jeong Su-ji