Aoi Nemo is the ultra-wealthy heir to a medical business empire, and he's fallen head over heels for a contract killer named Akaumi Kiruru. Desperate to find a way to see her again, Nemo went so far as to put a price on his own head. So far, he's managed to survive all their deadly "dates," and his crush has only intensified. But with such a big reward on the line, it's only a matter of time before more killers join the hunt!