[Hagane Koubou (Haganemaru Kennosuke)] Mega x Opa (OS-tan)

[鋼工房 (鋼丸剣ノ介)] めが×おぱ (OSたん)

Parodies os-tan 12K
Characters xp-tan 3K 2k-tan 9K
Tags futanari 779 glasses 8K
Artists haganemaru kennosuke 28K
Groups hagane koubou 25K
Languages japanese 6K
Categories doujinshi 33K
16 pages
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Story & Details

[Hagane Koubou (Haganemaru Kennosuke)] Mega x Opa (OS-tan) is a doujinshi featuring 16 pages of illustrated manga content.

Created by haganemaru kennosuke, this work was uploaded on February 19, 2026.