Yume-Kira: Dream Shoppe

Yume-Kira: Dream Shoppe (ゆめゆめ煌々堂 Yume-yume Kira-kira Dō) is a Japanese manga series by Aqua Mizuto. It originally ran in Shogakukan's manga magazine Shōjo Comic and then was serialized in Viz Media's Shojo Beat magazine from April 2007 to July 2007

Plot
Rin is the mysterious shopkeeper of the Yume Kira Dream Shoppe, a magical storefront shop which flies through the sky at dusk. Listening for wishes that travel on the wind and aided by an assistant named Alpha, Rin offers magical wares to grant these wishes at the cost of something dear to the customer.