As champion he participated in Fire Festival 2007 and once again fared poorly, gaining three points. On November 13, Sekimoto lost the NWA United National Heavyweight Championship to Yoshihito Sasaki.
As the winner, Sekimoto took part in the Fire Festival 2007 and underperformed, earning three points. On November 13, Sekimoto lost the heavyweight title to Yoshihito Sasaki.