Okay, I'll tell you about my suspicions, especially since the Mafia might have already figured it out.
Take a closer look at the role of the seller and think about why he's writing these notes about hamsters. All the hamsters in the photos are wearing clothes and have descriptions. And maybe he's not doing it just because he likes to write nonsense and post pictures, but for some reason) figure out for yourselves why Vishmaster might be a maniac-Asian.