Acedia is one of the Black Knights in 11eyes.     

11eyes OVA:   ~!Acedia makes a cameo in the 11eyes OVA as one of the 5 Pink Battle-Style Ero Rangers, calling himself Ero-Ranger Pompadour Pink.!~

When the sky turns red, the moon turns black, and monsters roam the streets, Satsuki Kakeru finds himself involved in a dangerous situation and is transported into a different world. When he meets four others in the same predicament, they band together to survive and to navigate this mysterious new world. But things take a turn for the worse when six shadows appear with the intent of killing Kakeru and his friends.<br>
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(Source: Sentai Filmworks)

In this special episode, Kakeru and the team have another wild adventure. Kakeru can now see through clothes, Yuka's able to change boys into girls and Takahisa can now shoot water from his finger! Watch the parody of 11 Eyes! <br>
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(Source: Sentai Filmworks)

Picture drama specials included on the seventh BD volume of the 11eyes series.

The stories focused on the Black Knights with jokes.