38 pages [Ishikawa Hirodi] Anata ni Oheso o Miraretakunai | I don't want you to see my navel [English] [Emily Manga Translations]
26 pages [Hirodilabo] (Ishikawa Hirodi) Greedy Navel Desire - an examination of a few belly buttons - [English] [Digital]
26 pages (C90) [Hirodilabo] (Ishikawa Hirodi) DR.OUTIE OF THE EXPOSED NAVEL CLINIC [Digital] [English]
17 pages [Hirojirabo (Ishikawa Hiroji)] Bijo Heso Zukan 1 | Belly Button Beauties - Entry 1 [English] [JBVMND] [Digital]