TFN, formerly known as T1419, was a Korean-Japanese boy group under MLD Entertainment. They consisted of 9 members: Noa, Sian, Kevin, Gunwoo, Leo, On, Zero, Kairi and Kio. They released a pre-debut single “Dracula” on October 27, 2020. They debuted on January 11th, 2021 with the 1st Single Album BEFORE SUNRISE Part. 1.

On October 13, 2020, MLD Entertainment announced they would be launching a new boy group in December in partnership with NHN Entertainment Corporation and Sony Music. The group would debut not only in Korea but also in Japan and the United States, simultaneously. It was later announced that MLD had signed a business partner agreement with ICM Partners for activities in the U.S. The following day, a pre-teaser photo was released featuring all the members. On October 17, a schedule was released for the non-promoted pre-debut release, the group was said to be releasing a music video for "Dracula" on October 27.

On January 11, 2021, they debuted with their first single album, Before Sunrise Part. 1, and its lead single Asurabalbalta.

On March 31, 2021, T1419 returned with their second single album, Before Sunrise Part. 2, and its lead single Exit.

On August 23, 2021, T1419 released their third single album, Before Sunrise Part. 3, and its lead single Flex.

On December 2, 2021, T1419 released the digital single, Red Light, Green Light.

On March 9, 2022, T1419 made their Japanese debut with the extended play, Our Teen: Blue Side, and its lead single Run Up. The Korean version of the lead single was released on May 9, 2022.

On March 22, 2022, T1419 released the digital single, Edelweiss.

On July 3, 2022, T1419 released their first Spanish single, When The Sun Goes Down.

On October 17, 2022, the agency MLD Entertainment has announced that the group name will be from T1419 to TFN.

On February 29, 2024, MLD Entertainment announced TFN's disbandment Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.