Nia-hime no eroi hon -ecchi tte ittai nan desu ka? ~ | Nia-hime's Erotic Book ~Just What is Ecchi?~

Nia-hime no eroi hon -ecchi tte ittai nan desu ka? ~ | Nia-hime's Erotic Book ~Just What is Ecchi?~ cover

[サークルED (ED)] ニア姫のエロい本 -エッチっていったい何ですか？- (天元突破グレンラガン) [英訳]