[Hagane Koubou (Haganemaru Kennosuke)] Mega x Opa (OS-tan)
[鋼工房 (鋼丸剣ノ介)] めが×おぱ (OSたん)
16 pages
Uploaded
Story & Details
[Hagane Koubou (Haganemaru Kennosuke)] Mega x Opa (OS-tan) is a doujinshi based on os-tan featuring 16 illustrated pages.
This work is created by haganemaru kennosuke and was published on February 19, 2026.