Sigma, Fyodor, Dazai and Nikolai were in prison, or rather Fyodor and Dazai were put in prison, and Sigma and Nikolai went to save them.

So, Nikolai said goodbye to Fyodor and the vampire Chuuya, who was now under Fyodor’s control, after which he teleported to Dazai and Sigma. (Sigma went with Dazai because while choosing subjects, Dazai suddenly chose Sigma, and Nikolai didn’t seem to mind because it was funny)

Nikolai with a smile took off his map-shaped bandage from his eye and he looked out of the wall to see what they were doing. His smile immediately fell when he saw Dazai dancing with Sigma... Sigma, of course, clearly did not want this, one could understand this from his appearance, but Dazai was clearly having fun.

Nikolai couldn’t even bring himself to put on his old smile and was simply in shock, feeling a wave of different emotions: jealousy, shock, confusion and etc.

Nikolai did not dare to go out to them and show himself. Nikolai blinked.

"What the heck..."