Hana Mamimo is a Japanese creative artist whose work encompasses manga, anime production, and voice acting. She made her professional debut not as a voice actor, but as a manga artist while still in her second year of junior high school, after receiving an honorable mention in the girls' category at the 81st Shogakukan Newcomer Comics Awards. This early start established her primary career path, and she continues to serialize a manga series titled My Ex-Boyfriend Appeared as a Voice Actor in the magazine Sho-Comi.

In the realm of anime, Mamimo is known for her extensive, multi-faceted involvement with the local anime series Tougane! Chronicle, which is set in Togane City, Chiba Prefecture. Her role in this project is comprehensive, as she is credited with the character design, original drawings, and scriptwriting, in addition to providing the voice for a character. The specific character she voices in the series is Himeko Jono. This work represents a significant collaboration, demonstrating her ability to contribute to an animated production from multiple creative angles.

Her career is marked by a willingness to work across different fields and collaborate with other creators. Mamimo has expressed a particular enjoyment in projects that involve teamwork with people who have different strengths, citing her experiences with anime and children's book illustrations as examples. Her background includes formal education related to her field, as she has been a student at Waseda University's School of Culture, Media and Society, where she studied manga and anime in an academic setting to deepen her understanding of story and character creation. Her achievements include a consistent output as a published manga artist and a notable expansion into the anime industry, highlighted by her integrated creative role in Tougane! Chronicle.