If Y/N had a sibling (ℂ𝕙𝕠𝕠𝕤𝕖 𝕪𝕠𝕦𝕣 𝕠𝕨𝕟 𝕒𝕕𝕧𝕖𝕟𝕥𝕦𝕣𝕖)

What if Y/N's Sibling didn't die in a tragic accident like the rest of their family? And Y/N's Sibling has common sense and is un hinged as the the comments on Y/N fic's
(Ps the sibling is named Chat, Chat is basically all of Y/N slander in one character. If anything Chat is a better Y/N then Y/N)