In her exhaust

Conan Gray, a high-school boy with a horrible personality. He's known for being a shitty person. He does drugs, fails all his classes, and doesn't care about anyone but himself. Along the line, he meets a selective mute girl named Allie. Though she may seem fine, she struggles with communicating her emotions. Once Ryder invites her over to their table at lunch, Conan feels strongly drawn to her, like he wants to protect her in any way that he can despite her being decision to not speak. Along the way, he ends up falling in love with her. But it's too late...