Another eccentric thief, she is the partner and lover of Isaac Dian. Miria wholeheartedly believes and supports everything Isaac says, often even going so far as to mimic his body language. She also unintentionally becomes an immortal in 1930. Together they appear extremely stupid, whimsical and oblivious, but they have great affection for the people they meet, whom they always make a big impression on and always believe the best of them.
She has a cameo appearance in Durarara!!