Is Null Peta hentai?

ONA · 2019 · 12 episodes · PG-13 - Teens 13 or older

Comedy, Sci-Fi

Genius inventor Null tragically loses her older sister Peta in an accident. To get over the grief, Null develops "Peta Robo," a robot with the same characteristics as her late sister. However, the robot is a little different as to what Null expected. (Source: MAL News)