Looks fantastic! Also Satomi Sato reprising Saeko from Memory of Heroez.

I'd rather have season two than a remake of a movie I've already seen, but it does still look pretty good.

Well if we got a season two then we would have gotten a Begins Night repeat anyway if we kept adapting material for Fuuto PI in order. Portrait of S has some bits of Core, a chunk of original stuff, and an expanded Begins Night. Us getting this means we can hit Season 2 running without having to start with a flashback if they don't decide to just convert it into episodes to start off a new season.

Interestingly enough in this trailer is that underwater Dopant at around 30 seconds. Seems to be anime original as not only can I not find anything on the Rider Wiki in the Manga Dopant section, but in my brief skimming of the Portrait of S (to see what this arc covered) I did not see this Dopant whatsoever.

Cool!