Summary: Semi AU. It's been four years since the kids faced IT down the sewers. They're all in high school living normal lives being as good friends as ever; then Richie hears his old self warning him about something important. Old Richie's grieve and regret is so inmense that this other, seventeen-year-old Richie somehow listens and feels the pain of his other self. And knows he has to do something different this time, to not end up like this alternate Richie.