Chika Akatsuki and Shito Tachibana survived an otherwise fatal accident by making a deal with the Zombie-Loan office. Now they repay their debt as undead agents of the office by dispatching zombies. Having learned their secret, shy Michiru Kita who possesses the 'shinigami eyes' - the ability to spot those about to die and to identify the walking dead - is bullied into working with the two boys. But can she survive life as a bounty hunter...?