Should I walk away from this job?

I’ve been working this job for a little over a year now and at first it was just supposed to be a temporary thing before I went back to college. It ended up with me staying and I just transferred to the university near my home.
Over the course of a year I’ve met some cool people but it never goes beyond work relationships. A few of them my age have gone and hung out and follow each other and stuff like that. I’m very to myself but I’m nice and I talk when I’m spoken too and I’ll make small talk sometimes. I don’t have many friends.
I’ve been told I’m pretty a lot not every day but sometimes I think I rely on being told for validation which I know is bad. One of my managers has told me multiple times.

People speak when they see me or say hi which is pretty standard but no one takes it past that. There was this one girl who was above me who always told me she cared and we had something but she left and I hate working there without her.
This girl who always kinda talks to me and is super quirky always says hi to me and today she asked who was working tomorrow. I told her I was and another woman said she was too. She went on to say that she was alone and that at least she had Mary who’s my other coworker. That kinda hurt my feelings especially because we’ve talked. Tbh I’ve been kind of short with her lately and don’t speak to her first but still.
I kinda feel undervalued here. I’m a college student and I plan on leaving after graduation but I feel like no one makes the effort to get to know me outside of work or be friends and I sometimes feel invisible. I haven’t even gotten a happy birthday.
What should I do? I kinda am starting to feel miserable because a lot of people left the job including the girl I liked but I’m still holding out hope she’ll come back one day.
Should I walk away from this job?
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