Chocolat no Mahou OVA

The Magic of Chocolate, ショコラの魔法 , Chocolate no Mahou, Shokora no Mahou

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.