The band's later release several indie single in Japan prior plans to made domestic debut in April 2014.

[7] In 2016, Lee made a special cameo appearance in the South Korean drama Entertainer.

[8] He made his web drama debut in the series All the Love in the World: Season 3, in which he portrayed as Dr. Lee Seung-hyub.

[13] Lee and N.Flying member Yoo Hwe-seung also released a song titled "Star" for the soundtrack of the drama.

[15] Lee revealed that he was ruled exempt from mandatory military enlistment due to two surgeries done for his knee injury sustained in 2014.