Maji de Otaku na English! Ribbon-chan: Eigo de Tatakau Mahou Shoujo - The TV

マジでオタクなイングリッシュ! りぼんちゃん ~英語で戦う魔法少女~ the TV

The story centers around Ribbon-chan, a girl struggling with English who becomes a magical girl when she makes a contract with a self-described familiar named Toner. She aims to become a super heroine who can fill the Tokyo Dome arena with her singing and dancing. (Source: ANN)