Kept secret from the rest of the world, high school girls are secretly trained in the art of ninjitsu. Skirting Shadows revolves around the trainee shinobi of Hanzō Academy; Asuka, Ikaruga, Katsuragi, Yagyuu and Hibari, as they complete missions and battle against rival ninjas. Crimson Girls on the other hand follows the students of the dark academy, Hebijo Clandestine Girls' Academy; Homura, Yomi, Hikage, Mirai and Haruka.[wikipedia]