Moe Ōnishi

Kuroe Akaishi just wants a normal high school life—but that’s impossible with a rare condition that turns her into a giant kaiju whenever her emotions spike! Things get even worse when she falls for Arata Minami, the most popular boy in class. Now every blush, heartbeat, and crush could trigger a monster transformation. Can Kuroe survive high school love before it destroys everything around her?!

In the middle of a ball, Scarlet's fiancé, Kyle, suddenly calls off their engagement. She's falsely accused of being a bully and people unfairly call her a "Villainess." The aristocrats and noble families all denounce her. For years, she had to put up with his abuse and idiocy, but she can't take anymore of it! At her wit's end, she asks for one last favor; to give him a good fist in the face. So begins Scarlet's story of revenge against Kyle and his cronies! A fantasy about an elegant yet rebellious fighter, who doesn't let anyone take advantage of her!!