I don’t know, but in “Mr. a’s Farm” there’s double dildo action in chapter 17. I don’t know if it’s exactly what you’re looking for or into but.. ┗( T﹏T )┛
i think that's more of a double penetration (?) thanks tho!
There is, the only one I found in fact! Rare find one-shot: https://xbato.com/title/192195-shiro-kuro-sex-two-bottoms-tried-clothed-sex-dlsite-official
https://www.mangago.zone/read-manga/ouroboros_1/
warning for rape and its aftermath but it's not glossed over or taken lightly - the plot revolves around the mc dealing with it
thanks!
is there any bl where they use that double-headed dildo? i've only seen it in gl