Koe de Oshigoto!

Sinopsis

Kanna Aoyagi, an innocent 16-year-old, lives in a single-parent household with her mother and older sister, Yayoi. On her 16th birthday, her 28-year-old sister, Yayoi, asks Kanna to work as a voice actress for her game development company. Unbeknownst to Kanna, the company specializes in creating erotic games. Kanna, wanting to help her family, agrees to the job, but she is unprepared for the nature of the work.