[Ayakawa Riku] Coat no Shita no Bokura no Himitsu (Junai Erokano!) [English] [Team Koinaka]
[Ozaki Miray] Himitsu The Great Escape [Digital]
[Tsuruta Bungaku] Himitsu No [Chinese]
(C83) [Metamor (Ryo)] Natsuzuka san no Himitsu. Vol.1 Deai Hen