12/09/2022
No release date has been set at the time of writing, but attendees to Japan's Tokyo Game Show 2022 on September 15-18th will be able to hands on with the game ahead of its release. As confirmed by Gematsu, Stranger's Requiem will feature language support for English, Japanese, Chinese (Traditional, Simplified), Korean, and French.
https://www.nintendolife.com/news/2022/09/koumajou-remilia-ii-brings-more-castlevania-inspired-gameplay-to-switch
Sequel will be playable at TGS