Summary:

Nabana has always thought that she was alone in this world, but before dying, her grandfather tells her that she has an older brother and gives her a letter which contains the address to her brother's home. After her grandfather's death she goes on a search for him. What happens when suddenly two hotties appear at the same door?! Since their parents remarried, they are now brothers, but which one of them is her real brother: the cold blond boy with glasses, Aoi, or the protective red-haired Beni?

(Summary by Vally- Proofread by Xzel)