It is a bit ambiguous in this case.
We found unfinished non-core content:
Girls Band Cry Movie (Summary)
Here you have all the anime relations we detected ordered by release date, so you can see the reason for this status in context and also use it as watching order.
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Girls Band Cry follows Nina, a seventeen-year-old girl who moves to Tokyo and quickly finds herself struggling to adapt.
Her life takes an unexpected turn when she encounters her favorite guitarist, Momoka.
Momoka's invitation to form a band sparks a new direction for Nina, leading her to team up with other talented musicians: Subaru, Tomo, and Rupa.
The anime chronicles their journey as they navigate the complexities of the music industry and personal growth, all while striving to achieve their musical aspirations together.