In Goodbye, Lara (2026), the “Boxer Girl” refers to Mari Otsu, a central human character known for her boxing skills. She is voiced in Japanese by Nana Kawaishi.
As of now, no official English dub voice actor for Mari/“Boxer Girl” has been publicly announced.
Japanese Voice Actor: Nana Kawaishi

Date of Birth
Not publicly documented
About Nana
Nana Kawaishi is a Japanese voice actress recognized for portraying grounded, emotionally strong characters. Her casting as Mari Otsu—the “Boxer Girl”—places her in a physically expressive and emotionally layered role, balancing toughness with compassion. Mari serves as one of the story’s key human perspectives, offering both support and realism in contrast to Lara’s supernatural journey.
Hometown
Not publicly documented
Career Highlights
- Cast as Mari Otsu in Goodbye, Lara (2026), a major co-protagonist role
- Known for roles that emphasize resilience and emotional sincerity
- Featured in promotional materials and character trailers for the series
Full Current Filmography
The following reflects documented credits from reputable sources and may not be exhaustive.
Anime
- Goodbye, Lara (2026) — Mari Otsu (Boxer Girl)
Note: At present, publicly available databases list limited confirmed roles for Nana Kawaishi, suggesting she may be an emerging or relatively new voice talent.
Critical Reception
While Nana Kawaishi is still building her profile, early reception to her casting as Mari Otsu has been positive. The role of the “Boxer Girl” is expected to require both physical intensity and emotional warmth, and her performance is anticipated to play a key part in grounding the series’ narrative.
Our Sources
- Wikipedia – Goodbye, Lara character and cast list (https://en.wikipedia.org/wiki/Goodbye%2C_Lara)
- Crunchyroll News – Goodbye, Lara character announcements and trailers (https://www.crunchyroll.com/news/latest/2025/9/27/goodbye-lara-anime-unveils-new-key-art-and-character-trailer)
