- 2018.08.20 - She passed the Sakamichi Joint Auditions
- 2019.09.07 - Her profile was uploaded to the Sakamichi Kenshusei official website
- 2019.02.16 - Promoted to Nogizaka46's 4th Generation
Other Original Songs
- She is the first Sakamichi Group member from Iwate prefecture.
- Her SHOWROOM audition number was #47 and so her nickname was Shiina-chan (しいなちゃん).
- Participated in Hinatazaka46 (Formerly Hiragana Keyakizaka46) auditions but did not pass.
- Has an older brother.
- Her Nogizaka46 oshimens are Nishino Nanase, Hori Miona, Suzuki Ayane and Kubo Shiori.
- Her favorite members in Keyakizaka46 are Watanabe Rika and Kobayashi Yui.
- Her favorite members in Hinatazaka46 are Kawata Hina and Kanemura Miku.
- Her favorite Nogizaka46 song is Mou Sukoshi no Yume
- Likes mathematics.