Various Artists – 애니메이션 ‘케이온’ 커버곡 모음 Vol. 1 (Netsuretsu! Anison Spirits THE BEST -Cover Music Selection- TV Anime Series ”K-on! Series” Vol.1)
Release Date: 2015.08.13
Various Artists – うどん6杯目 / Udon Rokubaime (우동 6그릇째)
Release Date: 2009.05.28
Various Artists – うどん7杯目 / Udon Nanahaime (우동 7그릇째)
Release Date: 2010.08.11
Various Artists – うどん8杯目 / Udon Happaime (우동 8그릇째)
Release Date: 2010.08.11