The textbook for Girls aged 20 to 70 years old contains information on rational nutrition, physiology and psychology of male and female sexuality, emotions, as well as training algorithms for independently mastering the skills of getting out of stress, managing your own mood and the mood of your partner, creating strong emotional attachment, increasing your female attractiveness, and the ability to understand your partner. Having mastered the magic of softly controlling a partner, any Girl will turn into an extraordinary Girl with blue hair.