Otetsu feat. Megurine Luka - Kara
Otetsu: Megurine Luka - Minamo no Sakura
Megurine Luka(otetsu) - Most Hated
Megurine Luka feat Otetsu - Depression of Cybernetics
otetsu feat. Megurine Luka - 飴と鎖 | Ame to Kusari | Candy and Chains
otetsu feat. Megurine Luka - ナイトアンドデイ | Night and Day [VOCALOID]