Yandere Kanojo/Heartwarming

"Reina: If anything bad ever happened to either of you guys I dunno what I'd do!! And even if it's not you two I don't want anyone else to die either!! ... cue this."
 * Reina gets April Fooled into thinking that a meteor is about to hit the school. When Manabu and Hijiri set her straight, she's upset.