After the Upside Down is finally over, the Hawkins kids return to something that looks like “normal” — but nothing feels normal anymore. Now seniors, they cope by living loudly: sneaking out, drinking on roofs, trauma-bonding at parties, and filling their chaotic group chat, The Party Is Still Standing, with jokes, confessions, and secrets. Y/N has always been at the heart of the group — Mike’s lifelong best friend, the one everyone trusts, and the emotional anchor who quietly holds everyone to