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On July 24, Sulli started an Instagram live which showed the star cuddling with her Sphynx cat.

The issue arose when Sulli suddenly starting biting her cat during the live stream. 

Although her actions seem playful, some netizens found it highly disturbing and even accused her of animal abuse. Many also expressed concerns about her mental well-being. 

Comments stated, "Seriously, she has mental issues... Sociopath, psychopath... I'm seriously scared now", "Ok, she's seriously not well. Look at the cat's expression... But Sulli is cracking up.. I'm getting goosebumps", "She's crazy", "The cat's creepy and so is Sulli."

Watch Sulli's Instagram live yourself in the clip. What are your reaction to her ''bizarre'' acts?