Comments by "roidroid" (@roidroid) on "プロセスX" channel.

I'm curious what is the substance, that turns rubbery like that as soon as it touches the water? It looks fun to use, wish I knew what it is tho.
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It's amazing he's lived so long, because if it were me I'd keep accidentally eating it & would be in hospital all the time. How can he resist?!
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