Is Double Circle hentai?

ONA · 2013 · 6 episodes · PG-13 - Teens 13 or older

Sci-Fi, Super Power

"Double Circle" means the community which evolves infinitely by the energy and ICT in the smart community project. People who live in Kawasaki become a hero, and beat an enemy who steals near from the time-stopped world to the evolving town Kawasaki. (Source: Official website)