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Arc Almanac

21 Oct 2026Draft. Not yet checked against the books.

All series / A Certain Magical Index / Arc 32

Arc 32 of 66 in A Certain Magical Index

Arc 32: Astral Buddy

In the story: Sep – Oct

Arc name chosen by Arc Almanac, because the books don’t name it.

I’ve watched through

Index I stops before this arc.

Railgun stops before this arc.

Index II stops before this arc.

The Miracle of Endymion stops before this arc.

Railgun S stops before this arc.

Earlier in story order than the end of Index III.

Accelerator stops before this arc.

Railgun T stops before this arc.

Item (episodes 1–2; airing) stops before this arc.

What happens

Junko asks for help with a series of strange incidents around her at Tokiwadai. An encounter with a ghostly girl turns the mystery toward lost memories and research that connects several members of Misaki's circle.

Where it sits

Astral Buddy in A Certain Magical Index
FormatVolumesUnitsLanguage
Manga — A Certain Scientific Railgun: Astral BuddyVol 1, 2, 3, 4Chapters 1–30Japanese
Manga — A Certain Scientific Railgun: Astral BuddyVol 1, 2, 3, 4Chapters 1–30English

Draft. Not yet checked against the books. Report a wrong mapping.