TAWAWA Natsu Bikini (TAWAWA 夏ビキニ; TAWAWA Summer Bikini) is the fifth single by the soloist Tokito Ami. The title track features a collaboration with two members of the group THE Possible, Ose Kaede and Morozuka Kanami. It was released on May 16, 2007 in two editions: one regular and one limited. The first press of the regular editions includes a random photocard of three kinds. The limited edition includes a photobook. The Single V DVD was released on June 6, 2007.