The simplest explanation is that the tagger was expressing a feeling. After watching the episode, they felt a sense of release or freedom. The phrase "we free" could be a comment on the themes of the episode, a reflection on a relationship in the story, or even just their own personal mood at the moment of tagging. This would make it a highly subjective, almost diary-like entry in an otherwise objective piece of metadata.
If you are looking for a breakdown of .
It is encouraged to support creators by accessing content through official, legitimate channels. gomu o tsukete thung iimashita yo ne 01 we free