"They are mollusks without any bones" thats true very true
Surprisingly, you can find these filthy creatures everywhere.How do they multiply themselves so that they can exist up to now...Their skin is extremely weak.
Getting wet in the rain can make it start to melt, leading yukkuris to death.
They have neither fangs for hunting nor claws for protecting themselves.Yukkuris' existence is said to be the flag of death.They are mollusks without any bones.Being the weakest creature, yukkuris are at the bottom of the food chain.