- reminiscent of the concept of a shared universe
- game and the Hamatora animation and comic are not set in parallel universes, but in the same world
- game is set in the port city of Kobe
- features a transfer student who awakens with a special power and suddenly finds himself involved in a battle with the other students of his high school
- 'hama' refers to beach or coastline
- features an all original cast of characters
- other locations include Motomachi, Chinatown, Shin-Nagata, and the shopping district in which the characters will spend their time