Lunchtime was part of Leo's training, but the others didn't need to know about that, and Slania was more than satisfied with just feasting on his lips between bites of taco and what Zeph said was sopapilla cheesecake, not that either one of them knew what a sopapilla or a cheesecake was other than being a dessert. She made sure that he left in time to be the first one to arrive for the afternoon session.
However, he was the fourth one to arrive unless you counted everyone other than Rena who had her service and companion drone bring her lunch to the VR simulator as she took advantage of her status and the availability of the main simulator during the lunch break to make personal use of it.