This is the opening to Project X Zone, a crossover SRPG for 3DS, featuring characters from Namco, Capcom, and Sega.
Actually, it’s both the English and Japanese openings; same animation, different music due to an issue with licensing the Japanese song. I don’t really like either song nearly as well as the one from Namco X Capcom, but the animation, by Studio Trigger, is incredible.
(uploaded by Yongho098)
As you can see from the video, everything I mentioned here has also crossed over with a whole lot more: Sakura Wars, Shining Force Exa, Space Channel 5, Super Robot Wars Original Generation, God Eater and more.