KOTOKO (ことこ) are female J-Pop singer who has released 5 albums (3 associated with Geneon and 2 associated with I've Sound), 6 maxi singles and 1 DVD (DVD is scheduled for a US Domestic release), as well as singing, composing and writing lyrics for numerous other song collections. She frequently works with producers I've Sound, and has contributed songs to numerous anime and games including Onegai Teacher, Mahou Shoujo Tai Arusu, Onegai Twins, Ren'ai CHU!, Maria-sama ga Miteru, Hayate the Combat Butler, Colorful Kiss, Kannazuki no Miko, Starship Operators and Shakugan no SHANA.