Complex sentence: Whenever Meow runs into Ran, it's Meow who pays for her and Ran's food and sake bills.Meow once had a childhood friend named Mei who in Episode 9 had become a wealthy opium dealer, much to Meow's dismay.
Split into simpler sentences: Whenever Meow runs into Ran, it's often Meow who pays for Ran's food and sake. What we know of Meow's past is that she had a childhood friend named Mei who in Episode 9 had become a wealthy opium dealer, much to Meow's dismay.