After entering the space, due to intense eagerness, his body trembled slightly.
It had been a long, long time since he had felt this excited.
Once his physical body had entered, the first impression was that the 49 cubic meter space felt spacious, but at that moment, he didn't have time to consider this—he simply tried his best to remain calm and composed as he keenly sensed the information that had become very clear.
Sigh...
After a while, he let out a long sigh—actually, he just opened his mouth, no air actually left his lips. His state in the space didn't have a concept of time, so no particles were moving, and in this space, all "movement" was a result of his own intention.
He moved with the intention of "letting out a sigh," but did not with the intention of "allowing air from his lungs to exit through the respiratory tract and out of his mouth and nose," so it was just a matter of opening his mouth.