(C77) [Ringo Gakuen (Mayonnaise.)] Joseiki-nai no Piston Undou ni Yoru Masatsu Taiden wo Riyou shita Hatsuden System no Rekishi
(C77) [りんご学園 （まよねーず。）] 女性器内のピストン運動による摩擦帯電を利用した発電システムの歴史
25 pages
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Story & Details
(C77) [Ringo Gakuen (Mayonnaise.)] Joseiki-nai no Piston Undou ni Yoru Masatsu Taiden wo Riyou shita Hatsuden System no Rekishi is a doujinshi featuring 25 illustrated pages.
This work is created by mayonnaise. and was published on February 19, 2026.
