ROSE BLOOM is an English Singer from London, UK. She is the sister to Kori Mullan, most known from their song Slay Queen. She debuted in 2022 with her single SCHOOL, and was followed in October the same year with COLOURS OF ME. She has also featured in Kori’s song My World Is Burning, which is about their stories of being adopted from an abusive father.

They were also the 2nd artist to be announced in the upcoming mixed gender K-Pop Group W1T.