10comics, tagged Retractable Penis, most popular first
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The Great Sage and the Horse's Secret Recipe IIExabyte · 35 pages
The Fox and the HorseShikoripa · 39 pages
Changing Skins 1 - 6Tirotata · 94 pages
Chikuechi Skeb MatomeHaison · 43 pages
Futa Dick BondingUma · 23 pages
Arknights WGege · 29 pages
DerailleurGuys#2Kishiri106 · 46 pages
Fennec, Kyururu, Aokage, King Cobra, and Aurochs: Horse-Cock Futanari TransformationShikoripa · 9 pages
DerailleurGuysKishiri106 · 36 pages
Fake NamekiansYamamoto · 25 pages