Kanade Ueda

Naoko Tanaka is a 26-year-old office lady (OL). Her job is typical, but her workplace has fierce fights among different cliques. Other OLs are absorbed in the daily clique fighting. One day, due to an OL at the company, Naoko Tanaka's company is targeted by OL from all over Japan.

Ibuki Arakuni is a high school student who is far from a model student. He has a childhood friend, Akabane Honeko, who attends the same high school as Ibuki Arakuni.