(C90) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Kikenna Senpai- | -Dangerous Senpai- (Kuttsukiboshi) [English]
(C84) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yoru wa Kimama ni- | -Nightly Indulgence- (Kuttsukiboshi) [English] {Hikikomori Honyaku ft. Hanabi}
(C94) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Natsu no Owari Ni- (Kuttsukiboshi) [English]
COMIC ExE 11 [Digital]
[Hirojirabo (Ishikawa Hiroji)] Bijo Heso Zukan 1 | Belly Button Beauties - Entry 1 [English] [JBVMND] [Digital]
(C88) [Ishikawa Pro (Ishikawa Naoya)] Kuttsukiboshi -Yuudachi Hanabi- | -Evening Showers and Fireworks- (Kuttsukiboshi) [English] {Hikikomori Honyaku ft. Hanabi}
[Hirojirabo (Ishikawa Hiroji)] Bijo Heso Zukan 1 [Digital]
DR.OUTIE OF THE EXPOSED NAVEL CLINIC
Greedy Navel Desire - an examination of a few belly buttons -
My Friend's Navel Spring Trip