Ruu

ルゥ, Lou, Luu
5
Luu is an alien baby from the Planet Otto who can levitate and perform telekinesis on objects and who develops a deep affection and love for Miyu and Kanata likening them to his parents and often assisting and helping them. He uses his abilities at the most inappropriate times causing Miyu and Kanata great trouble. Although he is still only a baby he can understand everyone perfectly. In order to keep the others from knowing the truth about Luus identity he is referred to as Miyus little brother although Luu will deny that and insist on calling Miyu mama. Source: Wikipedia
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