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Doctor Leonardo
Doctor Leonardo is a brilliant inventor with brown hair who lives in the world of AOKI & Taka no Tsume. He is always coming up with new gadgets and inventions, but he often gets sidetracked by his own curiosity. One day, he invents a time machine and accidentally travels back in time to the feudal era. There, he meets a young samurai named Taka and they become friends. Together, they must use their wits and courage to find a way to return to their own time.