Eien no 1/2
Image: Wikipedia · en:Eien_no_1/2
Theatrical Film

Eien no 1/2

永遠の1/2

Theatrical Film (1987) starring Satomi Kobayashi in a featured role, directed by Kichitarō Negishi, 6.2/10 IMDb — Mixed reception.

Eien no 1/2 (永遠の1/2) is the theatrical film Satomi Kobayashi appeared in during 1987,
directed by Kichitarō Negishi, and a marker of her formative years on screen — year 5 of her on-screen career.

Catalogue Coordinates

Eien no 1/2 in the Filmography

Eien no 1/2 is
credit #8 of 56 in the chronological filmography, released 5 years after Satomi Kobayashi’s 1982 debut and 38 years before her most recent 2025 credit. It is one of 2 theatrical film releases she made in 1987.

Chronological position credit #8 of 56
Theatrical Film rank #5 of 23 in this format
1980s position #8 of 12 in the 1980s
Age at release 22 years (born 1965)
1987 output 3 credits (this title plus 2 other)
Comedy genre peer set 14 credits share this genre tag
Drama genre peer set 37 credits share this genre tag
Previous credit Passenger (1987) — 0 years earlier
Following credit Best Friend (1987) — 0 years later
IMDb identifier tt0216732
Key Point 1

The Role — On Screen

Original Japanese Titling

Japanese title 永遠の1/2
English release title Eien no 1/2

Genre Footprint

The film is catalogued under Comedy, Drama on IMDb — placing it among mixed reception entries in Kobayashi’s filmography.

Comedy
Drama

Key Point 2

The Production

Format & Vital Statistics

Format Theatrical Film
Year 1987 · 1980s
Runtime 1h 41m
IMDb rating 6.2 / 10
Votes 25

Director: Kichitarō Negishi

Kichitarō Negishi directs Kobayashi here — one of 1 documented collaborations between the actress and this filmmaker.

Key Point 3

In the Career Arc

Position in a 44-Year Career

Released in 1987, this theatrical film sits in her formative years on screen, year 5 after Kobayashi’s 1982 debut in I Are You, You Am Me.

Critical Position vs Career Median

The 6.2/10 IMDb score (from 25 votes) lands
-0.6 below
her career median of 6.8. Reception band: Mixed reception.

This title

6.2
Career median

6.8

Other Kobayashi Releases in 1987

Reference Index

Full Catalogue Record

Production & Billing

Country of origin Japan
Cast billing position #8 (ensemble)
Credited as actress

Regional Release Titles (1)

Region Title Language Type
JP 永遠の1/2 JA imdbDisplay

External References

Frequently Asked

About Eien no 1/2

What role does Satomi Kobayashi play in Eien no 1/2?

Satomi Kobayashi appears in Eien no 1/2 (1987), a theatrical film directed by Kichitarō Negishi.

How is Eien no 1/2 rated on IMDb?

Eien no 1/2 holds an IMDb score of 6.2/10 from 25 votes — -0.6 below Satomi Kobayashi's career median of 6.8.

What is the original Japanese title of Eien no 1/2?

The original Japanese title is 永遠の1/2, released in 1987.

How long is Eien no 1/2?

Eien no 1/2 runs 1h 41m.