Muteki Kanban Musume

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Miki Onimaru is a poster girl that works at her mother's Chinese ramen restaurant. She appears to be a normal girl, but she can become very violent if provoked. Every day, she often picks a fight with her mother and accquaintances as a result, causing a series of troubling mishaps in their otherwise normal lives.

Info taken from ANN

Quite funny but the drawings are not that great for me. Somehow, Miki's behaviour and characteristic are kinda interesting.