It is part of the larger Nasuverse , sharing the same world as Tsukihime and Fate/stay night .
The specific code 010012A017F18000 is the Title ID typically used to identify the Japanese or global digital version of the game in database lists. Developer: Type-Moon . Witch on the Holy Night [010012A017F18000][v0][...
It looks like you're referencing the for the visual novel Witch on the Holy Night (also known as Mahoutsukai no Yoru or Mahoyo ). It is part of the larger Nasuverse ,
Set in the late 1980s, it follows Aoko Aozaki, a high school girl who becomes an apprentice witch, and her interactions with another witch, Alice Kuonji, and a boy named Soujuurou Shizuki. It looks like you're referencing the for the
Originally a 2012 PC exclusive in Japan, it received a remaster for Nintendo Switch and PlayStation 4 in 2022, which included the first official English translation.
A film adaptation by studio ufotable is currently in development, with a targeted premiere in 2026 . Witch on the Holy Night - Steam