Girlfriend should i invite her over again to my house?

ok so lowkey i invited my girlfriend to my house without parent permission and im regreting it now because my uncle came and seen but he promised too keep it lowkey too but then i get a phone call from my grandma and she thinks im having sex with her jus cuhs i invited her lowkey and im only 15 im to young for sex and i dont want to have sex i only want to spend time with her anyways my uncle spilled the beans and my grandma says if she finds out she is over again she will tell my mom and im worried cuhs i planned to invite her over again next week but my uncle is a low life with no job and he will prolly showup and i hope he dosent i hate him!!! should i take the risk and invite her over for a lil bit or should i wait on it and not do it yet jus for u to be aware i dont want sEX!!! i like to take things slow and i really like her should i? ; /