I can't read Japanese, but it seems like it will be a dating sim.
More likely it'll be a visual novel (not necessarily dating sim, which is a branch of VN games), with maybe some puzzle and mecha action.
At this point it reminds me a bit of Secret of Evangelion.
They are built to anticipate and encourage that style of play.
Many Western players new to the genre miss out on that fundamental aspect of the experience, writing dating sims off as shallow and basic after dipping their toes in.
The first ending many people experience when playing notorious pigeon dating sim Hatoful Boyfriend involves being ambushed by ninjas for "failing to display sufficient intimacy with the birds." You are unceremoniously killed and brought back to the main menu to start over from the beginning or are forced to resume from an earlier save point.
Dating simulation games like Hatoful Boyfriend most often take the form of visual novels, interactive text adventures with images and animations accompanying the branching story.
I assume I'm not the only person to notice Euphie in an Ashford uniform in one screenshot?
The second Code Geass game to be released in Japan. After suffering from amnesia you enroll at Ashford Academy where you go on adventures with many characters from the anime.
We’re going to offering some hints at how to get the most out of all manner of dating sims, along with some places to start.
If you’ve ever been curious about the genre, this is your excuse to jump in. Bad ends, like the aforementioned assassination, exist to teach players how to engage with most dating sims.
Anyway, this will releasing around the same time as season 2 airs, and more geass is good for you. Lelouch is the man of destiny, not someone keep sticking around with girls...