Complex sentence: On the day Nana Noodleman comes, the bear mob who Mike earns the ire from comes and demands the money from Buster, but when they open the chest and see the random junk, the others turn on Buster for his deception.
Split into simpler sentences: On the day Nana Noodleman comes, the bear mob who Mike earns the ire from comes and demands the money from Buster. When they open the chest and see the random junk, the others turn on Buster for his deception.