Photo: Dick Thomas Johnson from Tokyo, Japan / CC BY 2.0 (source: Wikimedia Commons)
My Take
I've got a real soft spot for performers who grew up on camera, and Seiran Kobayashi is exactly that kind of story. She started acting as a kid in the early 2010s, the sort of bright-eyed child actor who could hold a scene next to grown adults, and now she's quietly into her twenties still doing the work, including voice acting. That arc gets me every time, because the child-star world chews most kids up and spits them out, yet here she is, still showing up. At 147cm she's tiny, but I'd bet there's a stubborn, well-earned toughness under the cuteness. I honestly don't know what her defining adult role will be yet, and that's the fun part. I'm rooting for her to surprise me.
Overview
Seiran Kobayashi is a Japanese actress and voice actress born on September 25, 2004, in Tokyo. She began her career as a child actress and has continued working in both live-action and voice acting roles. Standing 147 cm tall, she is active across acting and voice performance. She maintains an official presence on Instagram and X (formerly Twitter).
1. Profile
- Name (English)
- Seiran Kobayashi
- Name (Japanese)
- 小林星蘭
- Reading
- こばやし せいらん
- Born
- September 25, 2004 (age 21)
- Zodiac / Chinese zodiac
- Libra / Monkey (申)
- Origin
- Tokyo, Japan
- Height
- 147 cm
- Occupation
- Actress / Child Actress / Voice Actress
4. Personality
Motto
Private
6. Links
Frequently asked questions
When was Seiran Kobayashi born?
Born September 25, 2004 (age 21).
Where is Seiran Kobayashi from?
Seiran Kobayashi is from Tokyo, Japan.
What does Seiran Kobayashi do?
Seiran Kobayashi works as Actress, Child Actress, Voice Actress.
How tall is Seiran Kobayashi?
Seiran Kobayashi is 147 cm.
Actress — see all → · Child Actress — see all → · More people from Japan →
7. About this entry
Tags
- Last updated
- 2026-06-02
Facts are limited to publicly available information up to 2024; non-public or unconfirmed items are omitted. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.