Single Mother Reimu, Selfish mother - gesuaki's super-anger-inducing stories about shithead yukkuris.
The Devil Mister - my recent find, quite nice story of a trash family and clever little one
Street Performing Marisa - what the name says.
Clever Marisa - an ongoing Noraaki's murder mystery story. (Regrettably, right now the beginning pages are a mess - the English versions are not in a pool but connected to the Japanese ones by parent-child link... Everything is there, you just have to make some effort to get to them.)
Yukkuri's Gratitude - one of the small number of family friendly stories. Cute.
Factory Field Trip - what the name says. A factory is a place every yukkuri fears, a horrible place where yu will never take it easy. Interesting and quite unsettling read.
Yun Donuts - "An anon is a worker at a donut shop. Marisa is a yukkuri who would qualify for notalwaysright. This is what happens when they meet." Delicious rage-inducing buildup and revenge.
hy835230's posts - a Chinese artist that draws good abuse.
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This is a VERY incomplete list, dig around for a lot more. Maybe someday I will make a proper story index.
This list includes a quite wide yukkuri spectrum: Pet stories. Nature stories. Sadistic abuse. Justice for shitheads. Yukkuri hardship. YMMV, but give them a chance, I enjoyed all of them, more or less.
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Also look around using the artists' tags, there are a lot of great one-shot comics.
Search by tags for things that interest you, like "anger_inducing home_invasion" or "alice rape" or "family_friendly yukkuri_stack".
"untranslated, translation_available" usually means that a translation is in the notes or comments.
"translated" is a translated edit.
http://yukkuri.shii.org/post/popular_by_day (_week, _month) can also reveal some nice pics.
