Album

• 1 - To Heaven, 1998 (Sold Approximately 1,000,000 albums)
• 2 - For Your Soul, 1999 (Sold Approximately 2,100,000 albums)
• 2.5 - Classic, 2000 (Sold Approximately 1,600,000 albums)
• 3 - Let Me Love, 2000 (Sold Approximately 2,100,000 albums)
• Zoy Project 1st, 2001
• 4 - No More Love, 2001 (Sold Approximately 1,000,000 albums)
• 5 - 가인(歌人), 2003 (Sold Approximately 400,000 albums)
• 6 - My First, 2005 (Sold Approximately 150,000 albums)
• 6.5 - Classic 1+1 Grand Featuring, 2005 (Sold Approximately 50,000 albums)
• 7 - Second Half, 2009
• 7.5- Meet Brave, 2010 (65,000 copies sold on the day of release)