Kotori Koiwai
Japanese voice actress, lyricist, and composer (born 1990)
Buzz Score is a daily 0-100+ popularity score based on public activity across the web.
Kotori Koiwai
Kotori Koiwai (小岩井 ことり) is a Japanese voice actress, lyricist, and composer. Born on February 15, 1990, in Kyoto, Koiwai developed an interest in voice acting after being inspired by Pikachu's voice in the Pokémon anime. She made her debut as a voice actress in 2011 in the anime Blue Exorcist. In addition to her voice acting career, Koiwai is also a talented songwriter and lyricist. She has written songs and lyrics for voice actress Rie Tanaka and has even performed her own song for Idolmaster Million Live! In 2019, Koiwai announced that she had been accepted into Mensa. She has also ventured into ASMR, starting ASMR streams and creating her own ASMR Label: Kotoneiro.
Kotori Koiwai ranks #41,282 most popular person with a Buzz Score of 0.0. Kotori Koiwai peaked at #49,884 of all time (Apr 25 - May 24, 2026). Kotori Koiwai ranks #51,006 over the past 365 days.

