Badesalz - Das Super Dong Dong 

A surprise sequel takes place ten years after the original movie based on the title of the same name, but with a twist to the fairy tale.

This powerful story shines with poetic animation, an exploration of deeper truths, and the protagonist's complex search for identity.

... La huesera haunts her daily life, leaving people to question her viability as a mother, and Valeria’s lack of satisfaction with her life leave her asking similar questions. These misgivings reach their peak after the baby is born, when Valeria, visibly in a state akin to possession, locks her in the fridge when she won’t stop crying through the night

A consumed-by-rage woman travels from universe to universe to avenge the death of her daughter by brutally killing her murderer over and over again. And that's all that she does.