Uemura Hasumi was born on February 25, 2008 in Osaka, Japan.
Uemura participated in Morning Musume '19 LOVE Audition, but failed.
On August 2, it was announced that Uemura had joined Hello Pro Kenshuusei alongside eight other girls. They were introduced on September 8 at Hello! Project Kenshuusei Happyoukai 2019 9gatsu ~Kirameki~.
On May 29, Uemura won the judge's dance award at the Hello! Project Kenshuusei Happyoukai 2021 ~Haru no Koukai Jitsuryoku Shindan Test~ event for her performance of "Otona na no yo!".
When Uemura joined Hello Pro Kenshuusei, she was in her last year of elementary school. As of April 2022, Uemura is currently in her last year of middle school.
Here is a list of nicknames that was used to refer to Uemura Hasumi:
- Hassu (はっすー): One of her nicknames as a Hello Pro Kenshuusei member.
- Haa-chan (はーちゃん): One of her nicknames as a Hello Pro Kenshuusei member.
- Name: Uemura Hasumi (植村葉純)
- Nicknames: Hassu (はっすー), Haa-chan (はーちゃん)
- Birthdate: February 25, 2008
- Birthplace: Osaka, Japan
- Blood Type: Unknown
- Height: 134 cm (4 ft 4.7 in)?
- Western Zodiac: Pisces
- Eastern Zodiac: Rat
- Hello! Project Status:
- 2019-08-02: Hello Pro Kenshuusei member
- UP-FRONT PROMOTION Status:
- 2019-08-02: Member
- Hello! Project Groups:
- Hello Pro Kenshuusei (2019-present)
- [2020–] Hello Dream.
- [2019-] Hello! Project Station
- She has the same last name as Juice=Juice member Uemura Akari.
- She likes to eat sweets and drink hot milk on a cold day.
- Her favorite animal is the Axolotl.
- Her favorite manga is "Spice to Custard" (スパイスとカスタード).
- She would like to visit New York.
- She did dancing between 4th to 6th grade.
- She has confidence in her dance, but she thinks that she needs to improve on singing.
- She likes Jazz dance and sexy dance.
- Juice=Juice member Uemura Akari has her eyes on Hasumi because they have the same surname.
- She and Matsubara Yulia are born one day apart.
- She was the first Kenshuusei not in OCHA NORMA to participate in the ONE PLUS ONE corner of Hello Dream.
- She always liked Hello! Project since she was small and always admired them.