On 19 June 2024, ANYCOLOR announced the debut of 5 new NIJISANJI Livers, including Lunlun. The 5 Livers debut stream relays were to be held on 22 June 2024.
Lunlun's YouTube channel was created on 23 April 2024, and their Twitter in May 2024. Their first Tweet was made on 19 June 2024.
A mysterious creature that fell from the sky one day.
They have no memories so they're absorbing all sorts of knowledge. Wants to learn more and one day know everything about this world.
On 26 June, Lunlun reached 100,000 subscribers on their YouTube channel.
On 1 July, Lunlun reached 200,000 subscribers on their YouTube channel.
On 12 July, Lunlun reached 300,000 subscribers on their YouTube channel.
On 15 August, Lunlun reached 400,000 subscribers on their YouTube channel.
On 14 December, along with the rest of their genmates, Lunlun debuted their second costume, which is a maid outfit.
On 18 January, Lunlun reached 600,000 subscribers on their YouTube channel.
On 20 April, Lunlun reached 700,000 subscribers on their YouTube channel.
On 29 September, Lunlun reached 800,000 subscribers on their YouTube channel.
On 31 January, it was announced on Nana's collab stream that Ayakaki would be debuting their 3D models, with Lunlun's debut date in 20 March.
