blue is a musical unit that performed theme songs for Nail games.
|Present for You ~Watashi o A-Ge-Ru~||2003-04-11||Composer||blue|
|Present for You ~Watashi o A-Ge-Ru~||2003-04-11||Vocals||blue||OP "hello my love ~ Ai ni Kita yo~"|
|3-days Marriage ~Hikarugenji no Koibito~||2004-04-30||Vocals||blue||OP "shine", Insert song "air" and ED "days"|
|As you like ~Hoshi Furu Yoru ni Romance o~||2005-07-29||Vocals||blue||OP "as you like" and ED "Hoshifuru Yoru ni"|
|Tenshitsuki no Shoujo||2006-04-28||Vocals||blue||OP "Seinaru Tsumi" and ED "Shukufuku no Hibi"|