The picture on the left provides better standard than a lot of “student” apartaments I’ve visited while looking for a flat. That aside, I’m polish. I’m used to cockroaches.

Where’s my $10Mil?

https://www.homedepot.com/p/Hot-Shot-Insect-Fogger-Aerosol-with-Odor-Neutralizer-3-Count-HG-96180-1/204685948

Step 1, set up bug bomb and commit mass genocide on the insect population

Step 2: spend 3-6 hours away from the home doing errands or meeting up with a friend.

Step 3: Vacuum or sweep

Step 4: laugh your way to the bank with a $9,999,990

It sounds like you chose the big room so no money for you.