|Birthdate||October 2, 2003|
|Current Age||19 Years Old|
|Social Networks||Blog / SHOWROOM|
|Idol Career Info|
|Debuted||September 2019 / Sakamichi Kenshusei|
Hayashi Runa is a member of Nogizaka46's 4th Generation.
- Her SHOWROOM audition number was #8. Her nickname during the audition was Moyashi-chan (もやしちゃん).
- Nogizaka46 oshimen: Nishino Nanase, Matsumura Sayuri, Hori Miona, Ito Riria, Kakehashi Sayaka
- Favorite Nogizaka46 song: Tachinaori Chuu
- Charm point: Cheeks
- She is good at singing, and has sung many songs solo in Nogizaka Star Tanjo!
- If she were to compare herself to something, it would be a microwave oven because she's "always warm".
- She is close with Sato Rika.
- During the Sakamichi Joint Auditions, she won the most media awards of all candidates, with three award from B.L.T., Nikkan Sports, and Gekkan Entame.
- Sakamichi Joint Auditions finalist → Sakamichi Kenshusei → Nogizaka46 4th Generation
- She passed the Sakamichi Joint Auditions on August 20, 2018
- Her profile was uploaded to the Sakamichi Kenshusei official website on September 7, 2019
- Promoted to Nogizaka46 4th Generation on February 16, 2020
- Out of the Blue (Boku wa Boku wo Suki ni Naru)
- Nekojita Chamomile Tea (Gomen ne Fingers crossed)
- Machine Gun Rain (Kimi ni Shikarareta)
- Tanin no Sora ni (Kimi ni Shikarareta)
- Todokanaku tatte... (Actually...)
- Under's Love (Suki to Iu no wa Rock daze!)
- Jumping Joker Flash (Suki to Iu no wa Rock daze!)
- Yume wo Miru Kinniku (Suki to Iu no wa Rock daze!)
- Ato no Matsuri (Koko ni wa Nai Mono)
- Amai Evidence (Koko ni wa Nai Mono)
- Bokutachi no Sayonara (Hito wa Yume wo Nido Miru)
- Sazanami wa Modoranai (Hito wa Yume wo Nido Miru) (W-Center with Ito Riria)
Other Original Songs
- Nikkan Sports (日刊スポーツコム) (2020 - ) - "Hayashi Runa no Makeruna! Shogeruna! Noriokureruna!" (林瑠奈の負けるな!しょげるな!乗り遅れるな!)
- Nogizaka Under Construction (乃木坂工事中) (2020 - )
- Nogizaka Skits (ノギザカスキッツ) (2020 - 2021)
- Nogizaka Star Tanjo! (乃木坂スター誕生！) (2021 - )