18if
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Episode: 0 / 13
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Anime DetailsFINISHED

Format
TV series
Episodes
13
Episode length
23 min
Total watch time
4 h 59 min
Status
Finished
Aired
July 7, 2017 – September 29, 2017
Season
Summer 2017
Source
Original story
Studio
GONZO
Music
Ryuudai Abe
Age rating
R — Violence, Profanity
Country
Japan
AniList score
56/100
Estimated watch time
4h 59m
⚡ 3 days at 5 eps/day

Tags & Tropes

Witch85%Amnesia77%Episodic68%Male Protagonist64%Isekai60%Ensemble Cast48%Idol40%Bullying40%Gender Bending40%Crossdressing20%
TVFINISHED2017 SUMMER5.6 / 10 AniList score

18if

18if
overview details

Synopsis

Haruto Tsukishiro wakes up in a dream world and sees a mysterious girl named Lily. Following this, he meets a man named Kanzaki and learns of the existence of witches, which from here on entangles him in all sorts of incidents. 18if is a part of a multi-media project that also includes a mobile game and a virtual reality game.

Should you watch 18if?

18if has been poorly received, with an average AniList score of 56/100 — 17% of 5,417 ratings are 8/10 or higher.

It ranks #24 most popular anime of Summer 2017 on AniList.

Of the 10.3K AniList users who started it, 24.2% dropped it, so it is frequently dropped; 6.4K have finished it.

At about 4 h 59 min in total, it is a short commitment — a weekend binge.

Best for viewers who enjoy Adventure, Fantasy, Mystery — especially witch, amnesia, episodic, male protagonist.

Where to Watch Officially

Availability, audio and subtitles vary by region and service.

Main cast & voice actors

Creators & key staff

Series composition
Atsuhiro Tomioka
Character design
Tadashi Oppata

Opening & ending themes

Openings (1)

  1. OP1“Red Doors feat. Yoshikazu Mera” by TeddyLoid · eps 1-3, 5-13

Endings (13)

  1. ED1“Wonderland” · eps 1
  2. ED2“Break The Doors feat. Aina The End (BiSH)” by TeddyLoid & AiNA THE END · eps 2
  3. ED3“Yume Koibana” · eps 3
  4. ED4“ANGELNOIR” · eps 4
Show all 13 endings
  1. ED5“Plumeria” · eps 5
  2. ED6“Yukue Shirezu” · eps 6
  3. ED7“too late” by Inori Minase · eps 7
  4. ED8“Sora no Oto” · eps 8
  5. ED9“Tsubasa” · eps 9
  6. ED10“Factor Word” · eps 10
  7. ED11“Salvation” by TeddyLoid · eps 11
  8. ED12“Hakuchou wa Nemuru feat. Yoshikazu Mera” by TeddyLoid · eps 12
  9. ED13“if” by Nobunaga Shimazaki · eps 13

Theme data from AnimeThemes.moe.

If you like 18if

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18if FAQ

How many episodes does 18if have?

18if has 13 episodes of about 23 minutes each, roughly 4 h 59 min in total.

How long does it take to watch 18if?

About 4 h 59 min back to back. At two episodes a day it takes 7 days; at one hour a day, about 5 days.

Is 18if finished?

Yes. 18if has finished airing — the final episode aired September 29, 2017.

Is there a season 2 of 18if?

No sequel is listed for 18if as of October 2026.

Is 18if based on a manga?

No. 18if is an original anime story, not adapted from a manga or novel.

Who animated 18if?

18if was animated by GONZO.

Who sings the opening of 18if?

The opening, "Red Doors feat. Yoshikazu Mera", is performed by TeddyLoid.

Where can I watch 18if?

18if is listed on Crunchyroll. Availability varies by region — check the streaming links on this page.