(Genderbend Reisen Udongein Inaba) one of the legendary lunar rabbits;she fled from the Moon to Earth as a refugee from the "Lunar War" between the two worlds that began in 1969 A.D. after the Apollo 11 "invasion". Making his way to Gensokyo he was surprised to meet the notorious fugitives Kaguya and Eirin, and asked for asylum in Eientei. In exchange, he works for and protects Kaguya and Eirin. Reitou's power of insanity comes from his eyes; he uses them to refract and twist wavelengths of ppl.