[His Hyper Intuition picks up on someone's arrival fairly quickly, and without even a full glance that direction he's able to distinguish Akito easily. It's only natural considering how well they know each other; Tsuna's intuition attuned to his presence much like people from back home.
Tsuna continues flying around when the other doesn't call out to him, twisting and turning, streams of his harmonizing flames flowing out behind him. This continues for a few moments before he comes to a slow stop in mid-air and vanishes, reappearing, suddenly, right before Akito]