Hangure (Half Gray‪)‬

This is an Apple Books audiobook narrated by a digital voice based on a human narrator.

A Native American boy goes missing in Japan. The CEO of the Native run casino on the reservation hires a one time active duty Marine. A Japanese speaker, and former soldier of fortune born on the Wind River Reservation to search for him. When his Shoshone Arapaho mother died, John H.H. Becker was raised by a Japanese step mother between the ages of four and eight in Nippon. He returns to the land of the rising sun in search of answers and finds himself in a dark world inhabited by a new generation of yakuza connected criminals that now have international reach.