Any mangas recommendation where the side characters are just trash?

the new side chapters of bj alex

There’s this little isekai trend about vengeful MCs that is perfect for your criteria! ٩(๑❛ᴗ❛๑)۶
http://www.mangago.zone/read-manga/the_hero_who_seeks_revenge_shall_exterminate_with_darkness/
http://www.mangago.zone/read-manga/tate_no_yuusha_no_nariagari/
http://www.mangago.zone/read-manga/kaifuku_jutsushi_no_yarinaoshi/

These characters are so devoid of any personality that without them being trash, they would be nonexistent. It’s actually super hilarious!