Saikyou No Kyuuketsuhime Wa Imouto Ga Hoshii!!

Saikyou no Kyuuketsuhime wa Imouto ga Hoshii!! : True Vampires household who has the ability to transcend other races and once reigned as the ruler of the Ephenia continent!<br><br>Among them, the young princess, Ristia, who has the “Strongest” power, woke