Can i ask my manager if they plan on firing me?

I started a new job a month ago and more frequently i find that both my coworkers and my manager are more aggressive towards just me and tend to isolate me. Its completely clear that no one likes me but no one has said anything yet. Would asking my manager if theyre going to fire me be a good idea? Ive been looking for a job in the meantime but I cant take the waiting around and being treated like a doormat every day. Im hoping that if i ask if im going to be fired shes just going to fire me on the spot. The anxiety from everything is killing me.

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