Serie includes 131 albums .
Haiiro no Kishi no Ichiban Amai Kyuujitsu
Tsukiakari no Yoru
Extra02
Shikan Gakkou Soushuuhen
灰色の騎士の一番甘い休日
Kuroi Rekishi no Kyousoukyoku
Fie Ijiri
Houkago Date
Happy Vacation! Days:1
Tokyo Xanadu(東亰ザナドゥ)(中国语)