After turning 16, Aoyagi Kanna is asked to become an erotic game voice actress by her sister Yayoi. She rejects the idea at first, but later accepts after thinking of all her sister has done for her sake. After playing an erotic game and receiving tips from her sister and an established voice actress, she gets ready for her first day at the job.

Aoyagi Kanna faces a new challenge when Kaizu Motoki, a male classmate, finds out she works as an eroge voice actress. Things get even more complicated when that same classmate is paired to work with her on the company's new project.