Saikyou no Kyuuketsuki wa Imouto ga Hoshii!  

In Ephenia, there was a family of vampires with extraordinary abilities that surpassed those of other races. They were once rulers of the continent. Among them was Princess Ristia, known for her incredible power. After sleeping for 1000 years, she awakened in a new world, the present day. Her goal now is to find a little sister. Despite her overwhelming abilities, those around her are in awe of how effortlessly she performs her tasks. Can Ristia become an ordinary girl and have a little sister in this new world?