Remilia uses very much her cute traits to entertain her audience, not without exposing a sort of yandere side. She shows herself so cute to the point she acts in general with childish manners.
Remilia cannot be described as intelligent, but her imagination seems limitless because of her ability giving odd answers to simple problems. Nobody else in Phase-Connect manages to keep up with her logic.
She has long white hair in twintails and a large swirly ahoge with a red streak in her bangs with red eyes and red hair clips with red and black hairbows.
Her YouTube channel was created on 14 June 2022, her Twitter account was created in December 2021.
On 18 June 2022, during Phase-Connect's one year anniversary, they announced their new Generation labeled as "PhaseALIAS". On 24 June 2022, Phase-Connect revealed PhaseALIAS's members and their debut schedule. After the announcement, Remilia made her first tweet and uploaded her first video on YouTube channel. On 7 July 2022, she announced her debut schedule. Remilia debuted on 9 July 2022, during the stream she revealed a short of her first official cover song "Aishite Aishite Aishite".
''Romilia is a young Nephilim whose mother an angel and whose father is the ruler of the Phase World's Underworld. Because of her mix of angelic and demonic blood, she was regred in a secluded environment as she was feared and treated as an outcast. She never had the joy of friendship that a child should have, and grew bored and lonely. Both her parents, as well as Heaven and Hell, rejected her, and she eventually decided to go, filled with █████ █████.''
A young Nephilim who was reared and treated as an outcast since birth in the Phase World. Despite her harsh and isolated upbringing, Remilia has grown up to be a very cheerful yet clueless young woman. Now as the harbinger of darkness and uproar, she is here to conquer Earth and then the universe. All will one day kneel at Remilia-sama's fee-
On 11 July, she released her first solo cover song "Aishite Aishite Aishite" by Kikuo.
On 2 August, Remilia had her first collaboration stream with a VTuber outside Phase-Connect, playing PHOGS with Aozora Kurumi of Project Kavvaii.
On 13 August, she celebrated her channel monetization with an unarchived karaoke stream.
On 15 August, she opened her channel membership feature.
On 20 August, she reached 10,000 subscribers on YouTube.
On 13 January, Remilia reached 20,000 subscribers on her YouTube channel.
On 12 June, she reached 30,000 subscribers on her YouTube channel.
On 1 January, Remilia reached 40,000 subscribers on her YouTube channel.
On 27 May, Remilia reached 50,000 subscribers on her YouTube channel.
On 6 May, Remilia reached 60,000 subscribers on her YouTube channel.
On 1 November, Remilia debuted her new model.
On 21 January, Remilia reached 70,000 subscribers on her YouTube channel.