|School||Hanasakigawa Girls' High School|
|Favorite Food||Croquette from her family's shop|
|Least Favorite Food||None|
Outisde of the band, she is friends with Yamabuki Saaya.
Hagumi is the only daughter of a family of butchers. They own a meat shop, where their bestselling item is their croquette.
Hagumi has an older brother.
Hagumi has brown eyes and short, bright orange hair. Her bangs and forelocks frame her face, and she has two long cowlick split at the center.
Her casual attire combines sporty and feminine items.
Lively and passionate for sports, Hagumi is known for her sunny disposition and energetic nature. She is cheery and can be a bit of a show-off, but she usually doesn't take things too far. She tries to convince others to indulge in her sporty hobbies at times.
Despite her tomboyish personality, she has an affinity for cute things. She especially loves Michelle's costume due to how it resembles a large stuffed bear.
|Smile Captain||1★||Powerful||Score Up|
|Everybody, On Three!||3★||Happy||Perfect Lock + Score Up|
|Cute Detective||2★||Pure||Life Recovery + Score Up|
|The Root of Being Healthy||3★||Pure||Life Recovery + Score Up|
|Crackle, Crackle!||2★||Cool||Perfect Lock + Score Up|
|Appear with a bang!||2★||Powerful||Life Recovery + Score Up|
|A Smile for a Serious Battle||4★||Cool||Perfect Lock + Score Up|
|Cute Things Everywhere!||3★||Powerful||Score Up|
|Smiling Magic||2★||Pure||Perfect Lock + Score Up|
|I’ll Teach You!||4★||Pure||Life Dependent Score Up|
|Healed By The Prince!||3★||Powerful||Life Recovery + Score Up|
|Mary Andromeda||4★||Powerful||Life Recovery + Score Up|
- Uehara Himari and Toyama Kasumi call her "Hagu".
- In one of the loading 1komas in BanG Dream! Girls Band Party!, Hagumi wanted to collaborate with Saaya's bakery.
|Poppin'Party||Toyama Kasumi • Hanazono Tae • Ushigome Rimi • Yamabuki Saaya • Ichigaya Arisa|
|Afterglow||Mitake Ran • Aoba Moca • Uehara Himari • Udagawa Tomoe • Hazawa Tsugumi|
|Roselia||Minato Yukina • Hikawa Sayo • Imai Lisa • Udagawa Ako • Shirokane Rinko|
|Pastel*Palettes||Maruyama Aya • Hikawa Hina • Shirasagi Chisato • Yamato Maya • Wakamiya Eve|
|Hello, Happy World!||Tsurumaki Kokoro • Seta Kaoru • Kitazawa Hagumi • Matsubara Kanon • Okusawa Misaki (Michelle)|
|Glitter*Green||Ushigome Yuri • Uzawa Rii • Wanibe Nanana • Nijukki Hinako|