Im Seul Ong, most often credited in short as Seulong, is a South Korean idol singer, actor, and MC. He is the second oldest member of the boy band 2AM and is renowned for his singing abilities using falsetto.

In 2008, Seulong took part in Mnet's "Hot Blood". The program showed the intense physical training that thirteen male trainees had to go through to compete for the opportunity to debut in either a 4-member ballad group or a 7-member dance group under the label JYP Entertainment. After going through several elimination processes, Seulong was chosen to become a member of the 4-member ballad group 2AM. The group debuted in 2008 with the song “This Song.”

On 31st March 2010, he made his acting debut as a supporting actor in the television drama "Personal Taste".

Seulong left JYP Entertainment on Mar 26, 2015 and joined agency Sidus HQ to pursue acting,
He enlisted on November 6, 2017 as active-duty soldier but was transferred to reservist duty due to a rare disorder in April 2018.
On Sep 12, 2018 his contract with Sidus HQ expired. He was discharged from the military in August 2019
On Feb 4, 2020 he signed on with Jellyfish Entertainment.
2AM reunited after 7 years with their 4th extended play, Ballad 21 F/W (2021).
He's now under WAKEONE, a music agency under CJ ENM. Edit Biography