How do I deal with my asswipe aunt and her daughter ?

TL;DR : Visiting hometown after 7 months , shitty relatives everywhere especially chachi and her daughter , parents are emotionally unavailable and mentally unstable , making unusual and crazy demands , I suspect black magic .

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PS : Also , am I the only one stuck in a shitty family , which has no single good or even remotely decent human being ?

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I have come back home after 7 months and she made the visit extremely scorching . I have no one that I can talk to about this stuff , who would understand my peculiar family situation , which includes my parents being differently abled . I just am so done with their hater ass and this hellhole town in general . I just want to go back :/

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My chachi and her daughter ( my only first cousin , lets call her X ) are awful ( this word being an understatement ) . This chachi actively ruined my childhood through physical and emotional abuse , and so did her daughter . She is only 3 years younger than me and about to enter university for post-graduation , but she is so very immature . For example , I used to have a very good friendship with my second cousin ( a guy ) who was also our neighbour and my classmate in school , but I let go of that equation when he tried to slutshame me and then thought it would be a good idea to molest me in the school bus . But obviously I haven't talked about it to anyone at all , cause " society " . But X tries to bring him up often in our conversations , mentioning that he has so many girlfriends , etc. and I try to ignore her , because her tone keeps insinuating that there was something between that piece of shit and me .

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She studied at an all-girls convent , plus her interaction with male cousins has been next to none , so she can't fathom that a relationship between a man and a woman can exist outside of a romantic bubble . All the guys that she has met in college , she ends up having a crush on them or thinks that they have a crush on her and are leading her on while having girlfriends ( more like a limerance state , because she can't even talk to them normally ) . I have tried explaining it to her , but she points the finger at me that I just can't believe someone can have a crush on her ( she is also overweight since childhood and has body image issues ) . I just keep trying to make her understand that men staring at you doesn't mean that they have a crush on you , but for some reason she just doesn't get it . Also , her mother keeps feeding into her delusions and she doesn't have friends at all , never had either and thinks that everyone is out to get her .

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Chachi was always a bitch to me , ever since I have known her . She hates me and my parents , but I assure you that there was nothing any of us did to make her treat us like this . She took advantage of my mother's depression and father's occupation , to use me like her punching bag whenever she and her daughter felt like it , along with some other close relatives . She is nothing but a despicable person to me and I will always hate her . She always compares me to her daughter to taunt her in secret , because I always scored good academically and also got well along with other cousins and friends . While they were only ever fighting with everyone .

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To top it all , my mother wants to go back to our old shitty house in the shittiest neighbourhood . It was only her at first , but now my dadi has also started saying the same thing . I suspect some relative has done some black magic shit , because many weren't happy that we bought a good house , because my parents being crippled and how could they get something good ( please don't come at me for being superstitious , I have first hand witnessed it with my maternal uncle ) . My dadi was like , " you will eventually go to another house " and I was like what the fuck . She has never been like this regressive or said things like this to me , never . But I guess age plays a big role , she is 84 and still does all household chores and ig she is expecting to see me get married .