Girl group Sunny Hill's Seungah will be singing the first OST for E Channel's drama "Unemployed Romance." The drama is a story about a youth's unemployment and sweet love story.

Sunny Hill's Seungah released the title song of the drama on October 11th, titled "Sweet Boy," and is the 1st in the OST lineup.

This main theme song of the drama, sung by Seungah, is a media tempo song co-produced by Shim Man Joo and Playing Child, who worked on other popular songs such as Huh Gak's "That You're Mine (Feat. Swings)," A Pink's "Bubibu," and songs by U You, Kara, Girl's Day, and ZE:A Five.

A rep stated, "Overall the song has a light melody and sweet lyrics, accompanied by Seung Ah's refreshing voice, which create a fantastic harmony to contribute to the overall feel of the drama," and raised expectations for the song.