This completely emotionless android will develop according to the researchers you assign to her. What will her AI learn, and how will it use this knowledge to save humanity? All of this depends on you.

The protagonist Haruto Kitagami finds himself in a difficult predicament. The live-in job that his friend had introduced him to turned out to be a manager for a prestigious girls' dormitory. He quickly grows close to three of the dorm's inhabitants. Living in their boxed garden, the story of these three princesses begins to take an unexpected turn.

Despite having started by chance, Haruto’s relationship with Rin, Hiyori, and Aiko has not broken, but only grown stronger. That said, their relationship is one they need to keep a secret between the four of them.