18if poster
Where to stream

18if

5.520171 seasonTV-MATV SeriesAction & AdventureAnimationMystery

Haruto Tsukishiro wakes up in a dream world dominated by strange and powerful entities called Witches. To survive, he gets the assistance of research professor Katsumi Kanzaki and a mysterious white-haired girl called Lily. With their…

ProducersYoshinori Takeeda·Shinji Omori

Where to watch

U-NEXTU-NEXTAnime Times Amazon ChannelAnime Times Amazon ChanneldAnime Amazon ChanneldAnime Amazon ChannelFOD Channel Amazon ChannelFOD Channel Amazon ChannelFODFOD
Availability shown for Japan · rights vary by country

Seasons & Episodes

E1
The Witch of Thunder
Jul 7, 2017 7.0
E2
Time Stopped at Age 12
Jul 14, 2017 7.0
E3
The Witch of First Love
Jul 21, 2017 7.0
E4
The Witch of Gluttony
Jul 28, 2017 7.0
E5
The Witch of Ordinariness
Aug 4, 2017 7.0
E6
Curses Return Upon the Casters
Aug 11, 2017 7.0
E7
And Now There Are None...
Aug 18, 2017 7.0
E8
Threshold
Aug 25, 2017 7.0
E9
Idols Don't Go to the Bathroom!
Sep 1, 2017 7.0
E10
Dream Dimension Alpha
Sep 8, 2017 7.0
E11
The Thorn Cross Association
Sep 15, 2017 7.0
E12
The Witch Wars
Sep 22, 2017 7.0
E13
Eve's Sigh
Sep 29, 2017 7.0

Cast

Nobunaga Shimazaki
Nobunaga Shimazaki
Haruto Tsukishiro (voice)
Takehito Koyasu
Takehito Koyasu
Katsumi Kanzaki (voice)
Kaori Nazuka
Kaori Nazuka
Lily (voice)
Ai Kakuma
Ai Kakuma
Airi Kojima (voice)
Aya Endo
Aya Endo
Yuuko Sakurabe (voice)
Ayaka Shimizu
Ayaka Shimizu
Egos (voice)
Ayako Kawasumi
Ayako Kawasumi
Eve (voice)
Azumi Asakura
Azumi Asakura
Mirei Saegusa (voice)
Emi Nitta
Emi Nitta
Misaki (voice)
Fumiko Orikasa
Fumiko Orikasa
Sono (voice)
Inori Minase
Inori Minase
Nene (voice)
Nao Tamura
Nao Tamura
Kayo Sugisaki (voice)

More like this

Claymore
Claymore
2007 · 8.2
Gachiakuta
Gachiakuta
2025 · 8.5
Scrapped Princess
Scrapped Princess
2003 · 6.4
Jack-of-All-Trades, Party of None
Jack-of-All-Trades, Party of None
2026 · 7.6
Tengoku Daimakyo
Tengoku Daimakyo
2023 · 8.0
Daemons of the Shadow Realm
Daemons of the Shadow Realm
2026 · 8.6
UQ Holder!
UQ Holder!
2017 · 7.4
Chaika - The Coffin Princess
Chaika - The Coffin Princess
2014 · 6.6
The 8th Son? Are You Kidding Me?
The 8th Son? Are You Kidding Me?
2020 · 7.6
Strike the Blood
Strike the Blood
2013 · 6.9
Chain Chronicle: The Light of Haecceitas
Chain Chronicle: The Light of Haecceitas
2017 · 6.4
Akudama Drive
Akudama Drive
2020 · 7.5

18if — streaming FAQ

Which OTT platform streams 18if?

18if is streaming on U-NEXT, Anime Times and dAnime in Japan, and available to rent or buy on Amazon Video and Google Play Movies. It's not currently on Netflix.

Is 18if on Netflix?

No, 18if is not on Netflix in Japan as of August 2026. It's currently on U-NEXT and Anime Times.

Is 18if on Amazon Prime Video?

18if isn't included with a Prime Video subscription in Japan, but you can rent or buy it on Amazon Video.

Where can I watch 18if for free?

18if is available to stream free (with ads) on Amazon Prime Video in Japan.

How many seasons are in 18if?

18if has 1 season in total (13 episodes). The series concluded in 2017.

Are all episodes of 18if out yet?

Yes — all 13 episodes across 1 season of 18if are out and available to stream.

Is there a Season 2 of 18if?

No — 18if ended after 1 season, so there is no Season 2.