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
- Blood type
- Private
- Height
- 147 cm
- Agency
- Private
- Active years
- Unknown
- Occupation
- Actress / Child Actress / Voice Actress
2. Background
- Elementary school
- Private
- Junior high
- Private
- High school
- Private
- University
- Private
- Debut
- Unknown
3. Relationships
- Spouse
- Private
- Children
- Private
- Parents
- Private
- Siblings
- Private
4. Personality
Motto
Private
6. Links
7. About this entry
Tags
- Last updated
- 2026-06-02
Facts are limited to publicly available information up to 2024; non-public items are marked "Private / Unknown". English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.