EXHIBIT 5

                       [Letterhead of The Otto Law Group]

                                November 17, 2003


NANNACO, Inc.
9739 Cobb Street, #1
San Antonio, Texas 78217

         Re:      Registration  of  Common  Stock  of  NANNACO,  Inc.,  a  Texas
                  corporation ("NANNACO").

Ladies and Gentlemen:

In connection with the registration on Form S-8 under the Securities Act of
1933, as amended, of 65,500,000 shares of common stock of NANNACO, we have
examined such documents and have reviewed such questions of law as we have
considered necessary and appropriate for the purposes of this opinion and, based
thereon, we advise you that, in our opinion, when such shares have been issued
and sold in accordance with the registration statement referenced herein, such
shares will be validly issued, fully paid and nonassessable shares of NANNACO's
common stock.

We hereby consent to the filing of this opinion as an exhibit to the above
described registration statement.

                                Very truly yours,

                                THE OTTO LAW GROUP, PLLC

                                /s/ The Otto Law Group, PLLC
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