Yui Narumi
BIOGRAPHY
Yui Narumi (Japanese: 鳴海唯; born May 16, 1998) is a Japanese actor signed to FLaMme. She plays Shiho Kayano, the documentary director at the center of the 2026 MBS boys’ love drama The Boy and I Who Will Break Up in 100 Days, unaware that the couple she is filming has already broken up.
Born in Nishinomiya, Hyogo Prefecture, she enrolled in a theater arts program at a university in the Kansai region before leaving in November 2017, having trained for around six months at the acting school Pro Acting Labo. She made her acting debut in January 2018 in Tomoki Sano’s film P-ko no Sora.
She gained wider recognition with her first asadora appearance in NHK’s morning drama Natsuzora (2019) as Akemi Shibata, and went on to a Taiga drama role in Dou Suru Ieyasu (2023). Her first golden-hour prime-time regular role came with the TBS Tuesday drama Eye Love You (January 2024). She joined FLaMme on April 17, 2023, having previously been represented by MKroom.
BLGLFlix editorial view
She plays a documentary director filming a couple who have already broken up.
Yui Narumi (鳴海唯), born 16 May 1998 in Nishinomiya, plays Shiho Kayano in The Boy and I Who Will Break Up in 100 Days. The series ran to six episodes in 2026 and takes its story from a novel by Asahara Naoto. Her character is making a film about a relationship whose ending she does not know about.
A camera inside the story is one of the oldest ways to make an audience aware of how it is watching, and it does something particular here. A documentary maker records what people choose to show her, so every scene she is in is a performance twice over, and the gap between what she captures and what the audience already knows is where the story lives.
Supporting parts built that way are technical work rather than emotional work, and they usually go to actors with real screen experience rather than to newcomers.
She debuted in 2018 in P-ko no Sora and moved from MKroom to FLaMme in April 2023. Her birth date, birthplace, agency, debut work and agency history are all documented, which is what happens when a Japanese agency maintains a profile as a matter of routine.
PROFILE DETAILS
- Native Name
- 鳴海唯
- Real Name
- Yui Narumi (鳴海唯)
- Born
- (Age 28)
- Birthplace
- Nishinomiya, Hyogo, Japan
- Gender
- Female
- Western Zodiac
- Taurus ♉
- Chinese Zodiac
- Tiger 🐅
- Height
- 156 cm (5'1")
- Profession
- Nationality
- Debut
- 2018 — P-ko no Sora (dir. Tomoki Sano, January 2018)
- Agency / Label
- FLaMme (フラーム), since April 17, 2023 (previously MKroom)
- Years Active
- 2018-present
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