The voice actresses unit Sphere, made up of Haruka Tomatsu, Minako Kotobuki, Ayahi Takagaki and Aki Toyosaki, announced the opening of their YouTube channel which is titled LABO’s 4 colors LABO. In addition, they uploaded their first video where they explain all the content that they will present to their audience.
In this introductory video, the four voice actresses who appeared for all those outside the industry or who are just starting their taste for anime participate. Subsequently, they mentioned that not all the videos will have the participation of the four and that the content of the channel will be about experimenting, hence the name of the channel. Finally, they asked their followers to suggest content in the comments since each and every one of the suggestions will be taken into account.
Sphere debuted as a unit in 2009 and is currently working under the Lantis GloryHeaven label. Some of his songs have been used for anime series like Hatsukoi Limited, Sora no Manimani, Shinryaku! Ika Musume, Asobi ni iku yo! and Ryuugajou Nanana no Maizoukin. In 2017, the group decided to stop its activities. Subsequently, in 2019 the group resumed its activity and made a presentation at the Animelo Summer Live festival.
Haruka Tomatsu began her career in 2007 and her most notable roles have included Asuna Yuuki in Sword Art Online, Zero Two in Darling in the Franxx, and Lala Deviluke in To Love-ru.
Minako Kotobuki is currently studying in England, her career started in 2009 and her highlights include Asuka Tanaka on Hibike! Euphonium, Tsumugi Kotobuki at K-ON! and Mizuki Kanzaki at Aikatsu !.
Ayahi Takagaki started voice acting in 2006 and her highlights include Rika Shinozaki on Sword Art Online, Erika Karisawa on Durarara !! and Wakana Sakai in Tari Tari.
Aki Toyosaki started her career in 2009 and her most prominent roles include Yui Hirasawa in K-ON !, Momo Deviluke in To Love-ru and Ristarte in Shinchou Yuusha.
