- Birth Name: Shirai Yukino (白井友紀乃)
- Nickname: Yucchi (ゆっち)
- Birthdate: September 28, 2000
- Birthplace: Aichi, Japan
- Blood Type: O
- Height: 160cm
- Hobbies: One-person plays, collecting beauty information, beauty information collection, making an expression to match the image of the song while watching the MV
- Specialties: Acting, singing, cooking, calligraphy, golf, making accessories
- Bands / Groups:
- She had her official debut as a ninth generation Kenkyuusei member on December 31, 2018 at the SKE48 theater.
- Her favorite colors are red, white, and yellow.
- Her future dreams are to become an actress and a person who can be active in multiple fields.
- Her favorite foods are cheese and all sweets.
- Her favorite words are "ichigei wa michi ni tsuuzuru" (一芸は道に通ずる).
- Her message is "I firmly hold awareness as a professional, I will not forget appreciation to the various people involved from now on, I will do my utmost to make it through my goals. Thank you." (プロとしての自覚をしっかりと持ち、これから関わる様々な人へ感謝を忘れず、自分の目指したことをやり切れるように精一杯頑張ります。よろしくお願いします。)