1) It's a novel about making otome VNs.
2) Calling it now: this is going to be inspired by DDLC. Waiting for the full release.
Occasionally breaks the fourth wall; other than that, the demo on the whole is pretty meta - you're reading a visual novel about someone who, effectively, is also reading a visual novel
Breaking of the fourth wall only happens during one of the routes, but technically, I think, it fits
It's not 'meta', strictly speaking; however, the game's page promises 'a unique twist to the visual novel decision making medium' and definitely delivers on that promise. The point of view was quite unusual, and I think that it definitely deserves a place on the "narrative experiments list".