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Luxiem made their debuts on 20 December 2021 (JST) as part of a special debut program hosted on the NIJISANJI EN channel, with commentary provided by Elira Pendora and Oliver Evans. Ike was the third of the group to debut. Afterwards, all five members of Luxiem appeared on the main channel.

Luxiem's first original song, "Hope in the dark", was released shortly after the program. This song was written and produced by ChibaNyan, who previously wrote and produced Ethyria's debut song "God sees all".