18if
Where to watch 18if in Japan
18if is streaming on U-NEXT, Anime Times Amazon Channel, dAnime Amazon Channel, FOD Channel Amazon Channel and FOD in Japan, and available to rent or buy on Amazon Video and Google Play Movies. Availability checked 23 May 2026.
About 18if
18if is a 2017 web series in the Action & Adventure, Animation and Mystery genres, starring Nobunaga Shimazaki, Takehito Koyasu and Kaori Nazuka. It spans 1 season and 13 episodes, and originally aired on Tokyo MX. It holds an average rating of 5.5/10 from 13 viewers. Below you can see where to watch 18if in Japan — across streaming, rental and purchase options — along with the full cast, trailer and viewer reviews.
18if trailer
Overview
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 help, Haruto must outsmart the witches and find a way to return to the real world.
Seasons (1)
- Season 113 episodes · 2017
Top cast
Nobunaga Shimazaki
Haruto Tsukishiro (voice)
Takehito Koyasu
Katsumi Kanzaki (voice)
Kaori Nazuka
Lily (voice)
Ai Kakuma
Airi Kojima (voice)
Aya Endo
Yuuko Sakurabe (voice)
Ayaka Shimizu
Egos (voice)
Ayako Kawasumi
Eve (voice)
Azumi Asakura
Mirei Saegusa (voice)
Emi Nitta
Misaki (voice)
Fumiko Orikasa
Sono (voice)
Inori Minase
Nene (voice)
Nao Tamura
Kayo Sugisaki (voice)
Misato Fukuen
Natsuki Kamikawa (voice)
Shiho Nanba
Hanako Sumitomo (voice)
Nao Toyama
Yurina Kanazaki (voice)
Yu Shimamura
Mana Hayashida (voice)
Frequently asked questions
Where can I watch 18if in Japan?+
In Japan, you can stream 18if on U-NEXT, Anime Times Amazon Channel, dAnime Amazon Channel, FOD Channel Amazon Channel and FOD. It's also available to rent or buy on Amazon Video and Google Play Movies.
Is 18if on Netflix?+
18if is not on Netflix in Japan right now, but you can stream it on U-NEXT, Anime Times Amazon Channel, dAnime Amazon Channel, FOD Channel Amazon Channel and FOD.
How many seasons of 18if are there?+
18if has 1 season and 13 episodes in total.
Who stars in 18if?+
18if stars Nobunaga Shimazaki, Takehito Koyasu, Kaori Nazuka, Ai Kakuma and Aya Endo.
When did 18if come out?+
18if is a 2017 web series.
What genre is 18if?+
18if is Action & Adventure, Animation, Mystery and Sci-Fi & Fantasy series.
User reviews
No reviews yet — be the first to review 18if.
