Chihiro Furuya's peculiar fixation on zombies extends even to his romantic inclinations, focusing solely on female undead beings. When his beloved pet cat Baabu tragically passes away, Chihiro's obsession intensifies, leading him to attempt creating a revival elixir. Despite his initial failures in concocting the potion, Chihiro's path crosses with the captivating and affluent Rea Sanka, spurring him to resume his efforts. Through a twist of fate involving a toxic hydrangea and his mixture, Chihiro unwittingly brings Rea back to life as a zombie. With Rea seeking solace from her former life in Chihiro's care, he must now navigate the complexities of nurturing a teenage zombie using his unconventional expertise in the undead.