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Everyone is trapped inside the body of the demon realm's most dangerous creature, a beast capable of infinitely multiplying until it swallows the entire world. Dimensionally cut off, the only remaining option for Basara and the others is to completely eliminate this dangerous creature's vital core.
Episodes
1The Day I Got A Little Sister 2First Contract Between Servant And Master 3Reunion and a Gap in Trust 4Until Sadness Reaches Zero 5A Little Sister's Morning Demon Lording 6Bearing Growing Emotions 7The Depths of Love and Hatred 8Erotic Succubus Out of Control 9Merits and Demerits of Master and Servant 10Plaintive Betrayal 11Epsionage... What Lies After 12For This Night, This Moment