Primal Hearts is a visual novel that introduces gamers to a complex world where decisions shape the future. Set in the fictional Ainoshima Academy, a school divided between tradition and innovation, the story centers on Kazuma, a new student known as Triple Seven, who finds himself as the swing vote between two warring factions: the traditional Gekka Council and the progressive Tendo Council. His arrival at the academy sets off a series of events that explore the tensions between these two ideologies, and Kazuma plays a central role in determining the outcome. As gamers guide Kazuma through his new life, they must navigate his interactions with a variety of characters, each with their own beliefs and goals.

Primal Hearts 2 takes place at Ainoshima Academy, where the arrival of a new student causes a new wave of tension. The story centers on a transfer student caught between two student councils: Gekkai and Tendou. Both factions, representing opposing student interests, are embroiled in an ongoing proxy war, and the protagonist’s vote may tip the scales. The tension is palpable, as both sides try to win the favor of the newcomer to ensure their own dominance at the school. The tradition-bound Gekkai council is led by Alicetia, the president who struggles to communicate despite her best efforts.