>Shy, nerdy girl ends up being saved from bullies by a cool, elegant girl, and ends up falling for the other girl. The nerdy girl is utterly entranced, and wants to know everything about her newfound love. Everything.
>Turns out, the sweet nerdy girl is actually a yandere, creating all sorts of gadgets and gizmos to spy on her senior, whether it be cameras she sneaks in to different spots, recording devices, photos, all these and more
>She learns countless new things about her senior, from the kinds of clothes she prefers to her favorite foods to her lipstick brand to her three sizes, all kinds of personal things, all while continuing to fall more and more in love with her senior
>On the surface, it seems like a sweet romance, with the shy nerdy girl supporting her cool, elegant senior, who in turn protects her and keeps her safe.
>It's not, however, as something the nerdy girl is not aware of is that her senior is, in fact, also a yandere, having been stalking the nerdy girl for some time, and working to isolate her, 'protecting' her from anyone who might interfere or talk with her
>The senior is incredibly manipulative, trying to get the nerdy girl more and more dependent on her, not aware of how the nerdy girl is secretly monitoring her. Not that she'd really mind if she did find out
>As such, the show is about two yanderes who are clueless about how the other girl is also a yandere. There are various moments throughout the series that depict other seemingly innocent Yuri romances where both girls are yanderes, like a childhood friend romance where both girls scare off or eliminate love rivals (without the knowledge of the other) or a relationship between two older women who are drugging each other and having sex with each other, slowly getting more and more addicted to one another as time goes on
