Cortis’ first concert divides fans over atypical format

Cortis × About group CORTIS CORTIS is a five-member boy group under BIGHIT MUSIC consisting of MARTIN, JAMES, JUHOON, SEONGHYEON and KEONHO. The group debuted in 2025. The name CORTIS is derived from the phrase "COLOR OUTSIDE THE LINES" and represents thinking freely beyond conventional rules and standards. The members participate collaboratively in music, choreography, performance and visual production. Tap again to view profile → Close wrapped up the opening concerts of its first world tour over the weekend, but the performances have sparked debate online over whether the group’s unconventional approach represented an innovative live experience of an underdeveloped concert. The five-member group — Martin × Artist bio MARTIN Position: Leader, Singer, Rapper, ProducerBirthday: 2008-03-20 MARTIN is the leader of CORTIS and an active participant in the group's music production and creative process. MARTIN presents himself as ambitious, creative, collaborative, and eager to challenge conventions. Tap again to view profile → Close , James × Artist bio JAMES Position: Singer, Rapper, Dancer, CreatorBirthday: 2005-10-14 JAMES is a member of CORTIS who participates in the group's performance and creative production. JAMES has shown a strong performance-focused and creative side through the group's collaborative work. Tap again to view profile → Close , Juhoon × Artist bio JUHOON Position: Singer, Performer, CreatorBirthday: 2008-01-03 JUHOON is a member of CORTIS and participates in the group's collaborative music and performance creation. JUHOON has been described as balanced and persistent, especially when he becomes serious about improving at something. Tap again to view profile → Close , Seonghyeon × Artist bio SEONGHYEON Position: Singer, Rapper, CreatorBirthday: 2009-01-13 SEONGHYEON is a member of CORTIS and participates in the group's collaborative songwriting and creative process. SEONGHYEON has been described as direct and confident in his creative taste and willing to clearly express his ideas. Tap again to view profile → Close and Keonho × Artist bio KEONHO Position: Singer, Performer, Creator, MaknaeBirthday: 2009-02-14 KEONHO is the youngest member of CORTIS and participates in the group's collaborative creative process. KEONHO has been described as thoughtful, clear, and specific when sharing ideas, often thinking carefully about details. Tap again to view profile → Close — launched its “Put Your Phone Down” tour at Inspire Arena in Incheon on Saturday and Sunday, less than a year after debuting in August 2025. Both shows sold out during fan club pre