(C56) [Studio Pal (Hazuki Kaoru, Nanno Koto)] Ponkotu FX.1 (Tenshi ni Narumon, Ojamajo Doremi)
(C84) [GOMIX! (Yoisho53)] Himitsu no Arbeit! (Free!)
[Nanase Makoto] Onnanoko no Himitsu
[Onnanoko Himitsu Seisan Koujou (Youichirou W)] W's 1 (Ojamajo Doremi)
(C87) [skyfish (Hisato)] Buchou to fukubuchou no himitsu (Free!)
[peachpulsar (Mira)] Himitsu no Yuri Esthe Friend Course | Secret Yuri Salon, Friends Course [English] [Yuri-ism] [Digital]
[Hazuki Kaoru] Zutto Himitsu ni Shiteita Ano Koto Zenbu Oshiemasu [Digital]
(HaruCC23) [Chaihazuki (Hazuki)] Heya o Yogosu Neko no Shitsukekata Cigarette (Boku dake ga Inai Machi)
[Anthology] Himitsu no Shounen Chigi
Himitsu no Shounen Chigi Lesson 1 - The Secret Mischief of Boys Lesson
