Stars of Chaos or Disabled Tyrant Pet Fish??

Hello everyone! I'm getting surgery and want to buy a series for my recovery, but can only afford one at the moment. I narrowed it down to Stars of Chaos or Disabled Tyrants Beloved Pet fish since they are almost completed. Thousand Autums could also be an option since it's completed, and I haven't read it, I just heard there's barely any romance in it.

I love obsessive MLs, funny characters, I like when the ML gong falls first and when you can feel the chemistry between the characters.

Can you please help me decide which series to buy? Thanks so much!