nonoka satou, a new voice actress with a soft voice, has been failing auditions. her troubled manager brings her to the home of a man who calls himself the "orgasm royal master" (nicknamed ikaroi). ikaroi explains that to make nonoka's voice louder, she needs to experience orgasm. he teaches her how to naturally reach climax by increasing arousal. nonoka feels embarrassed exposing herself in front of her trusted manager but quickly squirts and reaches orgasm. with careful fingering and oral sex, her body heats up, and she lets out screams of pleasure, overcoming her lack of confidence. later, motivated nonoka expresses her gratitude to her manager through service. this intense sex and ikaroi's detailed techniques can be learned through a drama-style how-to video.