(同人誌) [真城の秘宝館 (真城悠、カネコナオヤ)] 男子校が共学校に！？ピント外れの謎少女! (オリジナル)

[Mashiro no Hihoukan (Mashiro Yuu, Kaneko Naoya)] Danshiko ga kyo gakko ni!? Pinto hazure no nazo shojo! ＋ α | Boys School becomes a Mixed-Sex School!? Mystery Girl Out of Focus! ＋ α