Isak 'N' Jiyeon (이삭 앤 지연) was a female duo under SM Entertainment. They made their solo debut on September 3, 2002 with the studio album Tell Me Baby.
They disbanded in 2004 due to inactivity.
- SMTOWN - 2003 Summer Vacation In SMTown.Com ("Pray") (2003)
- SMTOWN - 2004 Summer Vacation In SMTown.com ("해주고 싶은 얘기") (2004)