Akarui Kioku Soushitsu  

Cheerful Amnesia, Bright and Cheery Amnesia, 明るい記憶喪失

It seems like Arisa, who is Maris's girlfriend, has lost all recollection of the last three years, including any memories they shared together. Despite this, their intense affection for each other remains unchanged.

Akarui Kioku Soushitsu has been published in English as Cheerful Amnesia by Yen Press since October 24, 2023.