Noh Ajoo (노아주; born July 6, 1990, in Seoul, South Korea) is a South Korean singer, dancer, and performer. Having trained under STAM Entertainment for 6 years (the same label as female artist Younha), Ajoo debuted on Valentine's Day 2008 with his single '1st KISS'. Ajoo has received a lot of support from his senior Younha who eventually became his piano teacher. The song 1st Kiss was written by Park Hwayobi, and it is said she got the idea for the song from Ajoo's very own lips. Read more on Last.fm