What would you like to edit?

Alternative Titles

Synonyms: 18 If
Japanese: 18if
English: 18if
More titles


Type: TV
Episodes: 13
Status: Finished Airing
Aired: Jul 7, 2017 to Sep 29, 2017
Premiered: Summer 2017
Broadcast: Fridays at 22:00 (JST)
Producers: Sotsu, DLE, BS Fuji, Tokyo MX, Mobcast, RAY
Licensors: Funimation
Studios: Gonzo
Source: Mixed media
Genres: MysteryMystery, SupernaturalSupernatural
Duration: 23 min. per ep.
Rating: R - 17+ (violence & profanity)


Score: 6.131 (scored by 2119921,199 users)
1 indicates a weighted score.
Ranked: #86732
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #2871
Members: 56,944
Favorites: 111

Available At


Streaming Platforms

Ranked #8673Popularity #2871Members 56,944
Add to My List
Episodes: /13


Waking up in a strange bedroom in a dream world, teenager Haruto Tsukishiro finds a strange app on his phone. When he activates the program, an odd woman appears and tries to drag him to her realm. Luckily, a mysterious, white-haired girl severs their connection and helps him escape, revealing that the woman is a witch; however, their conversation is cut short. As Haruto enters the realm again, he meets an anthropomorphic, talking cat named Katsumi Kanzaki. While the witch's minions pursue them, the white-haired girl opens a door for them to escape.

After their ordeal, Haruto describes their savior—which only he can see—and Katsumi, the leading authority on dream world research, realizes that she must be "Lily," a being that resurfaces repeatedly across multiple dreamscapes. Hoping to leave the dream world through a blue door, they enter the witch's realm once again. Finding themselves in peril, Lily reveals the truth to Haruto: witches suffer from "Sleeping Beauty Syndrome," a coma-like sleep state induced by torment in their real world lives. Thus, they cannot wake until they are defeated in the dream world.

After finally defeating the witch and locating the blue door, Haruto and Katsumi say their farewells, promising to meet up in the real world. However, when Haruto exits through the door, he awakens in the dream world bedroom once more. Seeking answers, Haruto and Katsumi try to uncover the mysteries of the witches, Lily, and Haruto's own inability to leave the dream world.

[Written by MAL Rewrite]


18if is a part of a multi-media project that also includes a mobile game and a virtual reality game.

Episode Videos

Characters & Voice Actors


Cook, Justin
Herek, Samantha
Assistant Producer
Morimoto, Kouji
Director, Episode Director, Script, Storyboard, Animation Director, Key Animation
Chigira, Kouichi
Director, Episode Director, Script, Storyboard


Opening Theme

Apple Music
Amazon Music
Youtube Music
"Red Doors feat. Yoshikazu Mera (Red Doors feat.米良美一)" by TeddyLoid

Ending Theme

1: "Wonderland" by Lily (Kaori Nazuka) (eps 1)
2: "Break The Doors feat. Aina The End (BiSH)" by TeddyLoid (eps 2)
3: "Yume Koibana (夢恋花)" by Kayo Sugisaki (Nao Tamura) (eps 3)
4: "ANGELNOIR" by Ichiko Aoba (青葉市子) (eps 4)
5: "Plumeria (プルメリア)" by Aki Okui (eps 5)
6: "Yukue Shirezu (行方知レズ)" by Gesshoku Kaigi (月蝕會議) (eps 6)
7: "too late" by Nene (Inori Minase) (eps 7)
8: "Sora no Oto (空の音)" by Ryu Miho (eps 8)
9: "Tsubasa (ツバサ)" by Misaki (Emi Nitta) (eps 9)
10: "Factor Word (ファクター・ワード)" by a-Mujigen (Shiho Nanba) (eps 10)
11: "Salvation" by TeddyLoid (eps 11)
12: "Shiratori wa Nemuru feat. Yoshikazu Mera (白鳥は眠る feat.米良美一)" by TeddyLoid (eps 12)
13: "if" by Haruto Tsukishiro (Nobunaga Shimazaki) (eps 13)


Apr 22, 2022
This anime felt as if I was watching an alternative version of Alice in wonderland mixed with the movie paprika. At first I thought I was following the amines storyline, then things kind of got...weird, then I thought I knew what was going on. Finally I got to the end and felt the same way I did after watching that movie inception. The art work is amazing and bright, and I think I liked one of the characters, and I don't doubt anyone who watches it will enjoy it. Overall it was kind of cool and I'm sure this anime is perfect for people ...
Jun 7, 2021
Mixed Feelings
18if is a strange and indecisive anime. It came with an tie-in mobile game "18: Kimi to Tsunagaru Puzzle" and had 11 different directors for the 13 episodes. This constant change of directors led to a bunch of different art styles and stories. Thus it is hard to come up with a single genre type for this anime. But most of them would categorize under Psychological as psychotic issues and their after effects are a constant underline here.

The story, in broad terms, follows Haruto as he confronts girls is psychological needs in their dreams. He is assisted by Professor Kanzaki with his own agenda and ...
Jul 4, 2022
for starters i would say teddyloid is a monster.
I prefer dark, strange souls, where sadness joins joy, like yin and yang. if an anime does not respect these things it does not even deserve my 8. we must say however that if an anime is made on a road, like for example Prison school which is based on ecchi, I do not use this criterion. however in this case 18if does not follow a single path, so ...

-ok, the episodes are all disconnected from each other, the last three explain everything.
-the first 10 speak of strong concepts: such as bullying, revenge, suicide ... but ...

Interest Stacks

by wreeen
50 Entries · 89 Restacks
by 7_3
50 Entries · 26 Restacks


Recent News

North American Anime & Manga Releases for December

North American Anime & Manga Releases for December

Here are the North American anime & manga releases for December Week 1: December 3 - 9 Anime Releases K-On! (incl. K-On!!, Keikaku!, Live House!, Movie, Ura-On!,...read more

North American Anime & Manga Releases for August

North American Anime & Manga Releases for August

Here are the North American anime & manga releases for August Week 1: August 7 - August 13 Anime releases Black Clover Part 1 Blu-ray & DVD Combo Digimon Adv...read more

Recent Forum Discussion

Poll: 18if Episode 9 Discussion
Stark700 - Sep 1, 2017
45 repliesby fiveguysshake »»
Feb 26, 12:48 PM
Poll: 18if Episode 8 Discussion
Stark700 - Aug 25, 2017
28 repliesby fiveguysshake »»
Feb 26, 12:34 PM
Poll: 18if Episode 7 Discussion ( 1 2 )
Stark700 - Aug 18, 2017
90 repliesby fiveguysshake »»
Feb 25, 3:43 PM
Poll: 18if Episode 6 Discussion
Stark700 - Aug 11, 2017
39 repliesby fiveguysshake »»
Feb 25, 3:27 PM
Poll: 18if Episode 4 Discussion
Stark700 - Jul 28, 2017
48 repliesby fiveguysshake »»
Feb 25, 2:55 PM