To save her sister…But in exchange, she must keep consuming adrenaline.One day, the selfish sister of the devil, Flandre Scarlet, called the witch and said to her…“I’m bored. Give me a body that will be fine even without drinking those ill tasting blood."So now she has a body that doesn't need to eat.For her beloved sister, Remilia asked help from the person (rumoured to be) Gensoukyou’s greatest trainer.
The person troubled by this is her only sister, Remilia.
