刻痕零
The physical physical version of the first part of Engraving Zero was updated in November 2021
On November 22, 2021, the development team announced a patch update for the physical version of the previous game, stating that it fixed minor issues known at the time; Players who haven't encountered any issues can opt for the update. The announcement did not provide a patch version number.
Kern Zero Alpha Edition Part 1
The first part of the story, released on September 17, 2021, covers only the first half of the story.
Wasa's parents' belongings (Zero Kerchief)
A mysterious relic left at the Akasaka family by Kazusa Shiina's parents before their death.
Masaya Akasaka (Kehen Zero)
The eldest of the Akasaka siblings, he experiences a series of abnormalities after reuniting with his childhood friend Kazusa Shiina.
Erisa,
Akasaka Masaya's younger sister, physically and mentally shaken by a series of abnormal events.
Kazusa Shiina (Zero Engraving)
Akasaka Masaya's childhood playmate, entrusted to the Akasaka family after her parents died unexpectedly.
No engraving marks
A horror suspense text adventure game by the Blue Angel development team. Masaya Akasaka and his sister Erisa's lives change after their childhood friend Kazusa Shiina loses their parents, mysterious relics, and calls from their parents; The first part of the Alpha Edition released in 2021 was released.