Mizuki was pulled out from her thoughts when Shiela called her. The bell just rang-- an indicator for lunchtime. And today, on Mizuki's first day as a 3rd-grade student, she'll spend her lunch with Shiela.
He felt dizzy but remembered what the System said, about him doing a new task tomorrow, and he is also tired from the hellish experience from before, so he lay on the bed and fell asleep within a few minutes.