"HypnoLove" is a romantic drama anime that explores themes of love, identity, and the ethical implications of manipulation. The story centers on Kaito, a reserved college student who discovers an old, mysterious device capable of inducing hypnosis. Initially skeptical, Kaito experiments with the device and realizes its potential to influence others' thoughts and actions. As he begins to use it on people around him, including his crush, Aoi, the narrative delves into the consequences of his actions and the moral dilemmas he faces.

Aoi, a cheerful and popular classmate, becomes the primary focus of Kaito's experiments. Under hypnosis, she develops feelings for him, leading to a seemingly perfect relationship. However, as Kaito grows closer to Aoi, he struggles with guilt over manipulating her emotions. The story intensifies when Aoi's best friend, Rina, begins to suspect Kaito's behavior. Rina, a sharp and observant individual, confronts Kaito, forcing him to confront the ethical boundaries of his actions.

The plot further complicates when the device's origins are revealed to be tied to a secretive organization experimenting with mind control. This revelation introduces a secondary antagonist, Dr. Saito, a scientist determined to reclaim the device for his own purposes. Kaito must navigate the growing tension between his desire to maintain his relationship with Aoi and the escalating threats from Dr. Saito.

As the story progresses, Kaito's reliance on the device begins to unravel his life. Aoi's memories of their time together become fragmented, and she starts to question the authenticity of her feelings. The narrative explores the psychological toll on both characters, highlighting the fragility of relationships built on manipulation. The climax sees Kaito forced to choose between continuing to use the device or destroying it to free Aoi from its influence.

The series concludes with a bittersweet resolution, as Kaito decides to dismantle the device, accepting the consequences of his actions. Aoi, though no longer under hypnosis, grapples with her emotions, leaving their future uncertain. "HypnoLove" ultimately serves as a cautionary tale about the dangers of tampering with free will and the complexities of human relationships.