Project A-Ko Versus Battle 1: Grey Side

C-ko is the daughter of a intergalactic corporate executive. She is kidnapped by Grash and Raiza. Grash's ship crash-lands on a desert planet where A-ko and B-ko are making ends meet through scavenging. C-ko literally drops in on A-ko and B-ko, and complicates their life together. (Anime News Network)