I'd really prefer to decrease the chance of me stumbling onto a yaoi manga down to 0.
Adding the random chackbox to the search page would probably require placing a separate frame with a single manga page in place of the normal search results.
Click on 其の一 to begin reading. To proceed click on the left side. The first pages are an explanation of what has been done, so you can skip them.
https://comic-walker.com/contents/detail/KDCW_CW01200695010000_68/
There are manga about car restoration(zessyaka!), invention, anime/manga/game/novel creation, linguistics of another world, hunting, farming, search and rescue, wine serving...
The current solution is to write different names for author and artist in the manga info even when they are the same person, but that's confusing.
Case in point https://mangadex.org/title/8232/abnormal-kei-joshi (which is on the way out of hiatus, judging by the author's twitter images)