Protocol: Rain Facts, FAQ & Common Questions
2023 · HTB, tv asahi, Nagoya TV, KBC, ABC TV, NCC, OAB, ABA, Niigata Television Network 21, khb, KFB, HOME, KSB, Kagoshima Broadcasting, Iwate Asahi TV, Akita Asahi Broadcasting, Yamagata Television System, Shizuoka Asahi TV, Asahi Broadcasting Nagano, Hokuriku Asahi Broadcasting, Ehime Asahi TV, Yamaguchi Asahi Broadcasting, Kumamoto Asahi Broadcasting, Ryu-Q Asahi Broadcasting · Status: Ended · Rated: TV-14
Frequently Asked Questions About Protocol: Rain
Direct, verified answers to the most common queries regarding episodes, renewals, watch order, and streaming availability.
How many seasons and episodes does Protocol: Rain have?
Protocol: Rain has 1 season and 12 total episodes, spanning from its premiere on October 8, 2023 to December 24, 2023.
Is Protocol: Rain renewed, ended, or canceled?
Protocol: Rain has concluded its run and is officially ended.
How long does it take to binge watch Protocol: Rain?
It takes 4h 36m (276 minutes) to watch the complete run of Protocol: Rain. At a standard pace of 2 hours per day, you will finish the entire series in approximately 3 days. Yes! At 4.6 hours total, you can comfortably finish this in a single weekend with about 2.3 hours per day.
What is the highest-rated episode of Protocol: Rain?
The highest-rated episode is Season 1, Episode 5 ("Single-Minded Determination: Logic Gate"), which holds an outstanding rating of 7/10 based on 1 audience ratings.
Where can you stream or watch Protocol: Rain?
Protocol: Rain 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 Protocol: Rain?
Protocol: Rain has an official content rating of TV-14.
Who are the lead actors in Protocol: Rain?
The primary ensemble cast includes Kensho Ono as Shun Tokinoya (voice) (age 36), Sora Amamiya as Yu Saegusa (voice) (age 33), Inori Minase as Nozomi Inazuki (voice) (age 30), Momo Asakura as Mio Tokinoya (voice) (age 32).
Ensemble Cast & Current Ages
Lead cast members, their character identities, and current ages calculated from official biographical records:
| Actor | Character | Current Age |
|---|---|---|
| Kensho Ono | Shun Tokinoya (voice) | 36 |
| Sora Amamiya | Yu Saegusa (voice) | 33 |
| Inori Minase | Nozomi Inazuki (voice) | 30 |
| Momo Asakura | Mio Tokinoya (voice) | 32 |
| Ryohei Kimura | Akito Sendo (voice) | 42 |
| Tomokazu Sugita | Ryusei Nagamine (voice) | 45 |
| Yoshitsugu Matsuoka | Mutsuki Naito (voice) | 40 |
| Kaede Hondo | Seshiru Sato (voice) | 30 |
Editorial Verification & Sources
All production facts, air dates, cast credentials, and streaming metadata for Protocol: Rain are compiled from official broadcaster archives, TMDB, and Wikidata records. Last verified on September 25, 2026.