Kouta Kuroda, professionally known as Aqu3ra, is a Japanese pop singer and
producer who began posting vocaloid tracks on 8 December 2018 with "Sleeping
Awake". The cover of "Henceforth" soon surpassed one million views. In 2019, he
released "Chocolate Milk" under the alias Apuera, and his 2020 song "Lonely
Universe" reached the same milestone on YouTube. Aqu3ra signed with MAISON des
in 2021, contributing vocals to "Grumpy", and in 2022 produced "Futakoito" for
FAKY, which became a campaign song for the film Ox-Head Village. Later that year
he launched his debut album planetarium...