Oldoceans is an artist from England. Making many different styles of music, they have been producing since 2021 and a vocalist since early 2022. They are the founder of the group Seraphim and a key originator of the subgenre associated with the collective. They are also affiliated with a large number of other groups and artists within the underground, having worked with/been a part of b3, Gomi, Sayako, Yuriclub, Yuri Online, BPG, rEp, and many others.