Burning legs. "Amagiri" (Putting eyes out.) Stinging. Beating and so on. Stripping accessories. (Torturing with) Un-un and Shishi. Toying with babies. "Byuun, Byubyuun" (Sound when flying fast, which means throwing Yukkuris around, I guess.)
According to the text, 1st one: death by disease 2nd: death by shock 3rd: death by mental stress (screaming "It stinks! Mugyuuu!") 4th: solitary death but it doesn't explain what caused the first disease.
> Is this the start of some Japanese joke like the one that ends with the person pointing at their elbow?
It's a topic we talk about sometimes in Japan. We just talk about it for interest and fun, and it's not a joke like you say.
We just enjoy guessing like Alice doing in this comic, or josh someone like telling it's a wrong place to start, or argue where is the best place to start.
Still it's a rude/embarrassing question to ask someone, but it won't be a trouble if you ask to your close friends.
Once Marisa had got a happy family. The family was killed in Yukkuri extermination by village people. With memories of her family, Marisa is attempting to poison the well by throwing aconite in.
Well, according to the text, Komachi is just inviting Parsee to play tag. But Parsee hesitates for it and that's why Komachi is pulling her hair. So I guess this Komachi is taking it easy very well.