Avsnitt 1

One day, the family receives an order from their homeland to "obtain data related to the development of a new artificial organ," which a certain company is secretly promoting. In order to get close to Uesugi Shinya, a researcher who is a key figure in the development, Minami successfully infiltrates the Uesugi family as a tutor for Shinya's daughter, Haruka (Marika Ito) . She also gains the trust of Haruka, whose rebellion against Shinya, who is devoted to his research, leads to delinquent behavior. However, the "normal" heart-to-heart communication with Haruka causes a change in Minami's mind, who has been trained to carry out her duties as a cold-hearted spy.