The movie is a compilation of episodes 1-8 of the 2017 television series with new scenes added for the introduction. It covers the period from when Riko descends into the Abyss with her robot companion Reg, reaching the second layer where they meet the White Whistle Ozen who reveals information about Riko's mother.
Up to EP 12I'm Quitting HeroingAnime
Up to EP 13Tiger & Bunny 2Anime
Up to EP 21Kuromi's Pretty JourneyAnime
Up to EP 13Arifureta: From Commonplace to World's StrongestAnime
Up to EP 1Uchuu Senkan Yamato: Kanketsu-henAnime
Up to EP 2Natsume's Book of Friends Season 6 SpecialsAnime
Up to EP 25The FableAnime
Up to EP 1Doraemon Movie 41: Nobita no Little Star WarsAnime
Up to EP 4My Hero Academia: MemoriesAnime
Up to EP 12Baki HanmaAnime
Up to EP 12BullbusterAnime
Up to EP 13Yohane the Parhelion: Sunshine in the MirrorAnime