Oh that's neat, Kuran references a genericized found footage something with similar wording to that title, and that'd make sense to be what she's talking about. That and the baseball bat bit would be likely references.
Corpse Party lmao
Those weren't my tl notes lmao, they were in the chapter to begin with, calling them horrible and all.
Makegumi backpack literally means failure's backpack, it's calling those people a failure, like the note itself explains, the parent lottery is just dehumanizing and mean, and the kataoyapan...
I think it's just "rainy season > more people have umbrellas > more umbrellas to go missing > umbrellas are thus going missing > PSA keep track of your umbrella"
Having access to the raws that're out, as this TL is behind by quite a bit, i can tell you Suzuki is really not that big an issue dude, you're super blowing it out of proportion.
In fact, Suzuki shows up a grand total of in the next 5 chapters.