Kigurumi Haroukitei is the stage name of Kotori Koiwai (小岩井ことり), a Japanese seiyuu-singer from Kyoto, Japan. She uses this name for music work connected to her voice-acting career in Japanese entertainment.
Under the name Kigurumi Haroukitei, she performed "Oato ga Yoroshikutte... yo! (お後がよろしくって…よ!)", the OP of "Joshiraku".
