Akaitorino Musume is out of Apapane (King Kamehameha), champion two-year-old filly and champion three-year-old filly in Japan and winner of the Fillies' Triple Crown. Apapane won three of her four starts at two, among them the Hanshin Juvenile Fillies when it was still a Listed race, then took the Gr.1 Japanese 1000 Guineas, the Gr.1 Japanese Oaks and the 2010 Gr.1 Shuka Sho, and added the Gr.1 Victoria Mile at four. Akaitorino Musume is her fourth foal and fourth winner, and a full sister to Jinambo (Deep Impact), placed in more than one Group race in Japan, and Rhinebeck (Deep Impact), placed at Group 3 level.

The second dam is Salty Bid (Salt Lake).

The third dam is Piper Piper (Spectacular Bid).

Apapane's latest foals are a yearling filly and a weanling colt, both by Black Tide.