CROSS

Reno Banks was once an active field officer for CROSS, an organization dedicated to crime fighting – but when his foolish blunder causes his partner's death, Reno opts to take up the 'safe' position of accountant instead.
It isn't long, however, before he finds himself back in action with a new partner – the cold and highly skilled Jinguuji Arata – who solemnly tells him "Don't worry, I won't die".