Null Peta
English title: Null & Peta
Japanese title: ぬるぺた
Type: ONA
Episodes: 12
Source: Mixed media
Genres: Comedy, Sci-Fi
Studios: Shin-Ei Animation
Duration: 5 min per ep
Rating: PG-13 - Teens 13 or older

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)