Serie includes 40 albums .
Mazoku Game
Mazoku no Usui Sho
Mazoku no Usui Sho | The Demon Girl's Thin Book
Mazoku no Usui Sho | The Demon's Thin-book
Mazoku no Usui Sho | 魔族的小黄书
Mazoku no usui Sho
Momo-chan Yamiochi shita!?
Momoiro Takarabako
Ore Yome Shamiko