At this time, normally one would just lay low for a while. If he were his previous self, he would choose to do so, but now he couldn't.
In the afternoon, that girl who ended up in the hospital because she was trying to save him out of kindness seemed affected; her soul was likely already heading this way... Yato helped her while she was unconscious but couldn't stay with her all the time, so he continued to use the time to work on commissions and search for new Divine Artifacts.
As a result, when he was preparing to go to the hospital at midnight to check on her, he found that while her body was still in bed, her soul had disappeared.
Considering the sudden time-space shift phenomenon, he didn't need to think to know what was going on, and had to hastily rush over while frantically searching along the way, unable to find any trace of the girl's soul, becoming more anxious by the moment.
