Takagaki Ayahi

 (高垣彩陽) is a voice actress and singer. She is a member of the unit sphere.

Albums

 * [2013.04.17] relation
 * [2015.11.26] individual

Cover Mini-Albums

 * [2011.11.23] melodia
 * [2013.12.11] melodia 2
 * [2016.11.09] melodia 3
 * [2018.09.26] melodia 4

Singles

 * [2010.07.21] Kimi ga Iru Basho (君がいる場所)
 * [2010.11.17] Hikari no Filament (光のフィルメント)
 * [2011.04.06] Takaramono (たからもの)
 * [2012.02.08] Meteor Light
 * [2012.06.13] Tsuki no Namida (月のなみだ)
 * [2013.08.14] Next Destination
 * [2014.05.28] Kaze ni Naru (風になる)
 * [2014.10.08] Ai no You (愛の陽)
 * [2015.07.29] Rebirth-day
 * [2017.01.18] Live & Try
 * [2017.08.02] Futurism
 * [2019.08.21] Lasting Song