Japanese voice actor, Kanae Ito, who has acted animes such as Sword Art Online as Yui, Nana Astar Deviluke from To Love-ru Darkness, Sena Kashiwazaki from Boku wa Tomodachi ga Sukunai, Amu from Shugo Chara!, Ohana Mastumae from Hanasaku Iroha and many other characters.
Official Profile: https://www.aoni.co.jp/search/ito-kanae.html
HIKO-san is from Taiwan, who has done a variety of different cosplays, some of them include: Takagaki Kaede (iDOLM@ASTER Cinderella Girls), Kashima (Kantai Collection), Vira (Granblue Fantasy), and Ann Takamaki (Persona 5). etc…
Worldcosplayer profile: https://worldcosplay.net/en/member/HIKO