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.
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 |
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.
Drama
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.
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.
Other Kobayashi Releases in 1987
- Passenger — Theatrical Film
- Best Friend — TV Movie
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 |
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.