(CR31) [Studio Wallaby (Deep Purple '72)] Suu no Naisho!! -The secret of Su- (Vampiyan Kids)
(C91) [CHARAN PORAN (Nekono Matatabi)] Naisho no Rehearsal (THE IDOLM@STER CINDERELLA GIRLS) [English]
[Anthology] H na Kanojo to Naisho no Shutter Chance [Digital]
[Pirates Patrol (Otokawa Kazuki)] Naisho no Omorashi [English] [Digital]