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Stage 5 boss and playable character in Touhou 9, as well as 10.5 and 12.3. A moon rabbit, she came to Gensokyo about 30 years ago to escape a war between the Earth and the Moon. Since then, she has been an apprentice to Eirin, a pet to Kaguya, and a caretaker to Tewi. She has the power to drive people mad with her eyes — mainly in the form of hallucinations — as well as communicate telepathically with her kind. She also has control over waves of all kinds, such as light waves, brainwaves, electromagnetic waves, as well as sound waves, demonstrated during her story in Phantasmagoria of Flower View.

Source from Wikipeida