[citation needed] Lim also graduated from Joongbu University with a Master's degree in Practical Music.

[citation needed] Lim debuted as the lead singer Cube Entertainment's boy group BtoB on March 21, 2012, with the promotional single "Insane".

[13] At the end of the year, he held his first solo fan meeting Dear Melody in Manila, Philippines.

[14] In 2020, Lim appeared on KBS's Open Concert, performing "Dear Love" and two songs with his father.

[21] Lim released his second mini album, The Young Man and the Deep Sea, on February 16, 2024, with the lead single "La Mar".

[25][26] On November 1, 2021, the agency announced that Lim will be discharged from military service on November 14, 2021, without returning to the unit after his last vacation in accordance with the Ministry of Defense guidelines for prevention of the spread of COVID-19[27] All song credits are adapted from the Korea Music Copyright Association's database unless stated otherwise.