T1419 (Teen1419) was a boy group under MLD Entertainment, formed by NHN and Sony Music in a joint project. The group consisted of nine members: Gunwoo (T28), Zero (T02), On (T07), Noa (T82), Sian (T21), Kevin (T48), Leo (T33), Kairi (T24) and Kio (T25). They made their pre-debut on October 27th, 2020 with their first release, “Dracula”.

They officially made their debut on January 11th, 2021, with their first single album “Before Sunrise Part. 1”.

On February 29th, 2024, MLD Entertainment announced their official disbandment after the group collectively decided to end their exclusive contracts.