Goodbye, Eri summary: As Yuuta's mother lays on her deathbed, he strives to seize her final moments with the help of his phone. Devastated by her passing, Yuuta climbs to the roof of the hospital with suicidal intentions. However, an encounter with a peculiar girl alters his course and inspires him to create a film. This one-shot was featured in a specialized edition that hit shelves on July 4, 2022.