18if Facts, FAQ & Common Questions
2017 · Tokyo MX · Status: Ended · Rated: TV-MA
Frequently Asked Questions About 18if
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does 18if have?
18if has 1 season and 13 total episodes, spanning from its premiere on July 7, 2017 to September 29, 2017.
Is 18if renewed, ended, or canceled?
18if has concluded its run and is officially ended.
How long does it take to binge watch 18if?
It takes 5h 12m (312 minutes) to watch the complete run of 18if. At a standard pace of 2 hours per day, you will finish the entire series in approximately 3 days. Yes! At 5.2 hours total, you can comfortably finish this in a single weekend with about 2.6 hours per day.
What is the highest-rated episode of 18if?
The highest-rated episode is Season 1, Episode 1 ("The Witch of Thunder"), which holds an outstanding rating of 7/10 based on 2 audience ratings.
Where can you stream or watch 18if?
18if is available for streaming on Crunchyroll, Crunchyroll Amazon Channel. Availability may vary by regional territory, subscription tier, and digital purchase availability.
What is the official age rating for 18if?
18if has an official content rating of TV-MA. It is intended for mature adult audiences and may contain explicit language, intense violence, or sexual themes.
Who are the lead actors in 18if?
The primary ensemble cast includes Nobunaga Shimazaki as Haruto Tsukishiro (voice) (age 37), Takehito Koyasu as Katsumi Kanzaki (voice) (age 59), Kaori Nazuka as Lily (voice) (age 41), Ai Kakuma as Airi Kojima (voice) (age 38).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Nobunaga Shimazaki | Haruto Tsukishiro (voice) | 37 |
| Takehito Koyasu | Katsumi Kanzaki (voice) | 59 |
| Kaori Nazuka | Lily (voice) | 41 |
| Ai Kakuma | Airi Kojima (voice) | 38 |
| Aya Endo | Yuuko Sakurabe (voice) | 46 |
| Ayaka Shimizu | Egos (voice) | 38 |
| Ayako Kawasumi | Eve (voice) | 50 |
| Azumi Asakura | Mirei Saegusa (voice) | 39 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for 18if are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.