Shu is always in trouble with money but manages to live thanks to the support given by his ex-girlfriend Ayano and the ever-devoted Kisara. The same goes for his job as a PMC. With Ayano's cooperation, Shu won a bidding war at a discounted price to participate in the "D Hazard" prevention operation that occurred in a casino. At the scene of the demon extermination, he planned to rely on Kisara's demonic powers, but she is nowhere to be found due to the money situation ruining her mood. As a last resort, he works with Ayano's leading, major PMC and confronts the Demon, but bit by bit, the battle becomes something suspicious...
If you act too flamboyantly,
and break through into the ocean...
...لذا إن أطلقت العنان واخترقته نحو المحيط
Wenn wir also alles zu Bruch schießen
und zum Meer durchbrechen …
Si llegaras a abrir un agujero al mar…
Si la lías a lo bestia
y abres un agujero al mar…
Si on y va trop fort,
on atteindra la mer…
Un attacco troppo avventato 
potrebbe creare una voragine fino al mare...
Caso vocês exagerem na dose
e acabem atingindo o oceano...
Если в горячке боя вы пробьёте корпус...