Yone Hategawa, a fake gal high school student who failed her gal debut. In an attempt to break free from her loneliness, she awkwardly strikes up a conversation with her seat neighbor, Chisui Makuru, who turns out to be a rumored vampire!? However, Makuru is a bit different from the typical vampire everyone imagines... A somewhat unusual high school life begins for the gal who wants friends and the vampire who wants minions.