Natto Angels ナットウエンジェル Was A Japanese Pop Unit From AKB48. It Featured The Members Itano Tomomi Miyazaki Miho And Kasai Tomomi. The Group Was Formed In 2009 As A Promotional Group For Natto Day A Celebratory Day For The Traditional Japanese Food "Natto". On August 22 2009 The Sub-Unit Released The Single ナットウエンジェル A Song To Promote The Healthy Qualities Of Fermented Soybeans.