The anime is set in Bayron City, an artificial island city established, outside of any country's jurisdiction, in the Pacific Ocean to exploit local natural resources. In particular, the mining of the new energy resource orgonium has resulted in an outbreak of "D disasters" by demons in the city. Private military companies (PMCs) are tasked with dealing with these incidents.<br>
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The protagonist Shuu runs a small PMC, though his spending habits have left him constantly penniless. A demon girl named Kisara does contract work at Shuu's office and is constantly worried for him. Kisara attends a high school in Bayron City, and does everything from clerical work to household chores with confidence. Meanwhile, Ayano is Shuu's ex-girlfriend, an elite agent, and a former work colleague in a major PMC that Shuu used to work for.<br>
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(Source: Anime News Network, edited)

Episode 1 - A Loser and a Demon and a Man and a Woman

Episode 2 - The Island of Desire

Episode 3 - The Slightest Terrible Cost

Episode 4 - Unobtainable Lingering

Episode 5 - Fleeting Scars

Episode 6 - Third-Party Demon Killer

Episode 7 - But It's Okay, That's Enough

Episode 8 - The Unwanted Truth

Episode 9 - Without Understanding the Tears Shed

Episode 10 - High Hopes for the Worst Case

Episode 11 - Gentle Foolish Lies

Episode 12 - Believe in Him

Episode 13 - Unresolved Grand Finale

Aniplex

A-1 Pictures

ABC Animation

Square Enix

Docomo Anime Store

Contents Seed

BS11

Nagoya Broadcasting Network

Engage Kiss