[Countach] Nazo no Kanojo to SEX (Nazo no Kanojo X / Mysterious Girlfriend X)
(C82) [Hanairogaeru (Kitsuneko Anko)] Nazo no Kanojo wa Mitsu no Aji (Mysterious Girlfriend X)
[Jipohou] Boku no Kanojo X (Nazo no Kanojo X)
[Poppenhaimu] Kanojo ga Hoka no Otoko wo Eranda Riyuu X (Mysterious Girlfriend X)
(C82) [ZUZUZU (Kamiya Zuzu)] Sekkyokuteki na Kanojo (Nazo no Kanojo X) [Chinese] [星幽漢化組]
(C79) [Asaki Blog Shucchousho (Asaki Takayuki)] Love Urabe+ (Mysterious Girlfriend X)
(C80) [Otsuhimedou (Otsumaru)] nazokanoH+ (Nazo no Kanojo X)
(C79) [Asaki Blog Shucchousho (Asaki Takayuki)] Love Urabe+ (Mysterious Girlfriend X) [Spanish]
(C79) [Asaki Blog Shucchousho (Asaki Takayuki)] Love Urabe+ (Mysterious Girlfriend X) [Chinese]