Only a dream? - A Yatori one shot

Yato is having a horrible nightmare that causes him sleepless nights. The dream repeats itself night after night. It awakens a fear in Yato which causes him to act overprotective around Yukine and Hiyori. The lack of sleep and his suspicious way of protecting his friends make them wonder whats going on with him. Will they find out what is weighing on the gods mind...?