|Kajishima Aya promoting "Sekai de Ichiban Kawaii Idol / Shi・te・ru・mo・n"|
|Born||July 21, 1999|
|Agency||UP-FRONT CREATE (2017-present)|
YU-M Entertainment (2017-present)
|Label||T-Palette Records (2017-present)|
|Associated Acts||Up Up Girls (2), UP-FRONT esports club|
|Joined||February 25, 2017|
|Debut Single||Sun!×3 / Ni no Ashi Dancing|
|Time in Group||3 Years, 2 Months, 23 Days|
Kajishima Aya was born on July 21, 1999 in Chiba, Japan.
On May 17, Up Up Girls (2) released a music video for a new original song, "Donomichi Happy!" (どのみちハッピー！), which was their first ever composed by Kajishima herself.
- Name Meaning
Kajishima's given name, Aya, means "paint" (彩).
- Name: Kajishima Aya (鍛治島彩)
- Nickname: Kajii (かじぃ)
- Birthdate: July 21, 1999
- Birthplace: Chiba, Japan
- Height: 161cm
- Western Zodiac: Cancer
- Eastern Zodiac: Rabbit
- Special Skill: Basketball, playing the recorder with her nose
- Audition Song: YOLO
- UP-FRONT GROUP Status:
- 2017-02-25: Joined UP-FRONT CREATE (in partnership with YU-M Entertainment)
- UP-FRONT CREATE Groups:
- Up Up Girls (2) (2017-present)
- Other Groups:
- UP-FRONT esports club (2018-present)
Discography Featured InEdit
- Up Up Girls (2)
- Up Up Girls (Kari)
- Up Up Girls (2)
-  Donomichi Happy! (どのみちハッピー！) - Up Up Girls (2)
- She and former Kobushi Factory member Taguchi Natsumi were born on the same day.
- She is able to play recorder using her nostril. This skill is featured in the music videos and performances for the songs Ni no Ashi Dancing and Doshaburi no Terrace Seki. She also takes requests for and plays covers of other songs in this way on SHOWROOM and the Up Up Girls YouTube Channel.
- She played recorder using her nostril in Japanese YUGIOH OCG Show about idol Arai Manami seven days of duel link life.
- She likes video games.
- Her audition number was #71.
- Up Up Girls (2) Profile
- Official Twitter
- Official Instagram
- Official Showroom Channel
- Official Line Live Channel