Serie includes 9 albums .
Gigantic Gas Situation
ギガンティックガスシチュエーション
Kono Koto wa Futari dake no Himitsu dakara ne | 这件事是只属于两人的秘密哦
Manaria Oukoku no Ohime-sama to Manaria Gakuin Ippan Seito Ore no Aida ni Ecchi na Event nante Okiru Wakeganai
Futari no o heya Chinese]
Kono Koto wa Futari dake no Himitsu dakara ne
Manaria Oukoku no Ohime-sama to Manaria Gakuin Ippan Seito Ore no Aida ni Ecchi na Event nante Okiru Wakeganai 2
