One Second Ahead, One Second Behind (2023): Cast, Story & Where to Watch in Persian

Where can I watch One Second Ahead, One Second Behind in Persian?

One Second Ahead, One Second Behind streams on Ktime, the Persian streaming service built for the Iranian diaspora. It is available with a Persian dub and with Persian subtitles. You can watch it in any browser at ktime.app/app, on the native Android TV, Google TV and Fire TV app, on the Android phone app, in any IPTV player using your Xtream login, and on a Samsung or LG smart TV through Media Station X. No VPN is needed anywhere, including from inside Iran, and there is no geo-block to work around. Viewers inside Iran pay in USDT through the Telegram desk at t.me/KtimeSaleBot?start=film_page, and the /fa/iran page walks through every step. A paid plan covers one device at a time — a single stream — and you can switch between your TV, phone and laptop as often as you like at no extra cost. You can cancel at any time. It is a 2023 comedy film from Japan. The film is served from Ktime's own library rather than linked out to another service. Availability checked as of September 2026.

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A postman loses a single day and spends the rest of the film trying to get it back in this 2023 Japanese romantic comedy from director Nobuhiro Yamashita.

What is One Second Ahead, One Second Behind about?

Hajime delivers mail for a living, which makes it stranger that he wakes up the morning after Valentine's Day with no memory of it. Something happened — he can feel the shape of it, missing piece by missing piece — and Reika, a woman whose path keeps crossing his, seems to be holding the fragments he needs. What unfolds is less a mystery to be solved than a courtship run in reverse: two people circling back toward a connection one of them can't consciously recall but keeps feeling anyway. Yamashita, working from a premise that could easily tip into gimmick, keeps the tone light and observational, letting small-town rhythms and everyday errands carry as much weight as the central puzzle. The film leans on its cast's chemistry rather than plot mechanics to sell the reunion at its center.

About the cast

Masaki Okada plays Hajime and Kaya Kiyohara plays Reika, with Rion Fukumuro, Shohei Shofukutei, and Masaya Kato rounding out the supporting cast. The ensemble brings a naturalistic, understated register that suits a story built around quiet reconnection rather than big revelations.

Context & significance

One Second Ahead, One Second Behind arrives from Nobuhiro Yamashita, a director known for gentle, character-driven Japanese cinema, and fits into a lineage of memory-loss romances that use forgetting as a way to examine what draws two people together in the first place. Its blend of comedy, drama, fantasy, and romance keeps the amnesia premise from turning maudlin.

Watching One Second Ahead, One Second Behind on Ktime

One Second Ahead, One Second Behind is available to stream on K-Time with a free account login, presented with Persian dubbing and Persian subtitles for viewers who prefer the film in Farsi. K-Time's Farsi-first interface makes it easy for the Iranian diaspora to browse and watch Japanese cinema alongside the rest of the catalogue.

Cast & crew

One Second Ahead, One Second Behind is a 2023 comedy film from Japan. It was directed by Nobuhiro Yamashita. The cast is led by Masaki Okada, Kaya Kiyohara, Rion Fukumuro. It runs 119 minutes. These credits come from this title's own record in the Ktime catalogue, refreshed with every six-hour catalogue sync.

Director

Nobuhiro Yamashita

Cast

Masaki Okada, Kaya Kiyohara, Rion Fukumuro, Shohei Shofukutei, Matsumoto Kiyo, Yoshiyoshi Arakawa, Masaya Kato, Takaya Yamauchi

Country

Japan

Year

2023

Runtime

119 min

Genre

Comedy, Drama, Fantasy, Romance

Frequently asked questions

What year was One Second Ahead, One Second Behind released?

The film is from 2023, directed by Nobuhiro Yamashita.

Who stars in One Second Ahead, One Second Behind?

Masaki Okada and Kaya Kiyohara lead the cast, with Rion Fukumuro and Masaya Kato in supporting roles.

Is One Second Ahead, One Second Behind available in Persian?

Yes — it has both Persian dubbing and Persian subtitles on K-Time.

What genre is the film?

It blends comedy, drama, fantasy, and romance around a lost-memory premise.

What year was One Second Ahead, One Second Behind made?

One Second Ahead, One Second Behind was released in 2023 and is available to stream in Persian on Ktime.