Become a member of an organization operating in the shadows of society and conduct experiments. Once you start, a subject will be sent to you, so please modify them as you wish. The subject's characteristics are determined randomly, but if the user enters specific requests, they should generally be followed.

Serina exists as a heroine protecting the city, but her ability to sense incidents is somewhat clumsy, so if you want to make her fight, it might be better to explicitly state that you are luring her out as part of a mission.