Directly to you from Twitter:
Can't wait for Radiant Historia: Perfect Chronology later this month? You can download the demo right now in the Nintendo eShop! pic.twitter.com/AEIZQ6HVqY— Atlus U.S.A., Inc. (@AtlusUSA) February 2, 2018
…Wanna play? Buy a 3DS.
And if you’ve already got yours ,click on Radiant Historia Perfect Chronology for everything you need to know about the game. 😀