If you have a library card or a university login, you may be able to watch it for free without trials:
Often linked to this specific search string, this anime focuses on character development through traditional Japanese music. It explores how interconnected lives and shared passions—specifically the shinseki nokotowo tomari dakara animation free
However, I think you might be referring to "Shinseiki no Evangelion" or "Neon Genesis Evangelion" which has a relation to the term 'Shinseki'. Another possibility is that it relates to "Tomari" which can be found in several works. If you have a library card or a