Worst Bad Girls(2011)

Mana and Hikari are both leaders of girl gangs in the same town. They are rivals and constantly fighting. Recently, they heard rumors that their town is being vandalized. Eventually, Mana, Hikari, and their friends are also harmed. They each think it is the opposing gang that causes the harm, but it turns out it's a gang from the neighboring town, with dangerous backing. Can Mana and Hikari protect their town?