Don't Die, Pollyanna!

Chastened by the null utility of trying to dissuade her niece from a dangerous operation that could take her life and has a low probability of successfully restoring her power-train, Polly has no choice but to reflect on how she has behaved toward Pollyanna in the early going while also coming to grips with the fact that she might have the choice of making…

Synopsis excerpt via Kitsu.