Train Heartnet, also known as “Black Cat,” was an infamous assassin for a secret organization called Chronos...until he abandoned that cold-blooded existence to live on his own terms as an easygoing boun...

Official English Translation He's the only one who knows who his boss really is... Katsumi, an office worker at an escort service, is being "trained" by his boss, Tomoyuki. When Tomoyuki practically coerced...