Serie includes 281 albums .
Ecchi na Maria-san to Futanari Elfnein
TsubaChri Lover
YOBAI Lullaby
BOOBS.
Garyi-chan no omoide sakushu
Maria Marionette
Hana wa Hibiite Ochiru
Hibiki ni Yoru Chris-chan no H na Sainan
PON! PON! SU!
Tai masou-sha Maria
Symphogear no Hon
Do Autoscorers Dream of Electric Sheep