ONA • 6.2★

Null & Peta — Episode 3

Big Sister, Do I Have to Go to School?

The story of NullPeta follows Null, an elementary school girl who is also a genius inventor. After her older sister Peta's death by an accident, she brings her sister back to life as "Peta Robo" using her characteristic knowledge. However, the robot sister is a little different from what she used to be....