Amelia Applebaum isn't in love with Walter Holland. He just happens to be her favorite moderately famous, chaotically bisexual YouTuber. Who she just happened to invite to prom. (But it's fine. No, for real. If you delete the post, it didn't happen.) Okay, maybe her friends are right: She's slightly parasocially infatuated. But Amelia just knows sparks would fly--if only she could connect with Walter for real. If only he would host...