I imagine this young woman is describing her discomfort at being constipated, and decides to give herself a "Kancho", or enema. She does, waits a while for a result, and expels quite a good amount of solid poop, on her side.
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A good solid poop. These small enemas work surprisingly well considering how constipated she was.
I have experienced them, purchased some on eBay a few years back. They produce very strong urges quite quickly.