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T1419 (Korean: 티일사일구; short for "Teen 1419"), is a South Korean–Japanese boy group formed in 2021 under MLD Entertainment. The group consists of nine members: [[Noa]], [[Sian]], [[Kevin]], [[Gunwoo]], [[Leo]], [[On]], [[Zero]], [[Kairi ]] and [[Kio]]. T1419 debuted on January 11, 2021, with their single Before Sunrise Part. 1.