About the 1 World Manga Volume 6

Investigating Corruption!
On the trail of a member of his lost family, Rei witnesses a community tragedy he can't walk away from. But one boy's--er, man's--heroics aren't the only way to uncover the dark conspiracy that led to this betrayal of the public trust! Now Rei must learn the martial discipline of patience as he teams up with an investigative journalist and the daughter who longs to follow in her mother's footsteps. Will justice be served? And will Rei ever be reunited with his family...?