Mizuho Rino

The "bittersweet, mysterious story" revolves around Chocolat Aikawa, a chocolatière who runs a shop called Chocolat Noir. She can grant wishes to the troubled people who visit her shop — if they give her something precious in exchange. In the Chocolat no Mahou (The Magic of Chocolate) series: V.01 - Chocolat no Mahou V.02 - Bittersweet V.03 - Creamy Sugar V.04 - Dark Spice V.05 - Evil Essence V.06 - Fruity Flavor V.07 - Guilty Crunch V.08 - Honey Blood V.09 - Ice Shadow V.10 - Jewel Syrup V.11 - Knocking Egg V.12 - Love Flake V.13 - Melty Night V.14 - Nutty Carnival V.15 - Odd Cake V.16 - Phantom Decoration V.17 - Queen Candy V.18 - Romantic Flambé V.19 - Salty Leaf V.20 - Tricky Beans V.21 - Under Glace Doraje Koibitotachi no Kiseki See AnimeNewsNetwork for the anime. Wikipedia