MONSTABOO GN VOL 2

Maruka has fallen in love at first sight with Mochizuki, a rabbit-shaped monster known as a Groan-Up. The two are recruited into the Academy Game, an app where players compete by hunting Groan-Ups, by the mysterious university student Gaku Saitou. While Mochizuki is concerned about their safety, Maruka gets hooked on the dangerous game, diving head-first into battle...