When Kanna Aoyagi discovers her sister's profession as a creator of adult games, she is roped into becoming a voice actress for one of the upcoming projects. Despite her initial reluctance and embarrassment, Kanna delves into the world of erotic game voice acting. Balancing her high school life with this newfound job, Kanna must navigate the challenges of keeping her double life a secret. With her vivid imagination compensating for her lack of experience, Kanna discovers hidden talents that might just lead her to unexpected success in this unconventional career path.