In a way Reina could have ended worse if she hadn't met shoutarou maybe it's a blessing in disguise and she actually got a beautiful kid she loved and maybe shoutarou helps them atleast financially like he said in the previous chapters
She did nothing wrong..... it's the adults fault for her demise stories like these which reminds me why we should exterminate the scums of society honestly this made me depressed a bit coz it reminds me of 177013