As Elena had brought her mimi world with her while going out for her mission, the emperor had not managed to talk with his daughter for quite some time. So he was definitely missing her a little, especially in the current situation.
The same was the case for Azusa. Even though Elena was confident in protecting her in the mini world from any harm, there was still a chance that in some areas of the void, there could be extremely high level of chaos concentration that her mini world might not be able to handle.
That was why, for the whole duration of the travel, she had sealed the mini world very thoroughly in order to make sure that everything was fine. So even she had not been able to talk much with Azusa in that situation. Mainly also because she was busy investigating and dying for the majority of this time.
