The author Paul McCann (polm) is one of my favourite programmers out there!
He’s done awesome work in the Japanese NLP space over the last decade which has really helped me in my language learning projects.
He maintains a mecab (Japanese tokenizer) wrapper for Python [0], has a book on Japanese NLP written for English speakers [1] and also worked on Spacy at one point [2].
[0] https://github.com/polm/fugashi [1] https://www.japanesenlp.com/ [2] https://spacy.io/