Natsukawa Sosuke first opened the surveillance footage from the main road leading from the basketball court to the special teaching building.
Rather than playing it normally, he dragged the progress bar with his mouse and fast-forwarded the footage several times over. On the screen, students flashed past like a slideshow on fast-forward.
Soon, a familiar figure appeared on-screen.
It was Sudo Ken.
He had already changed back into his school uniform, with a sports bag slung over one shoulder, and was striding along. Judging from his tense profile and heavy steps, he seemed to be in a rather bad mood.
Natsukawa Sosuke repeatedly dragged the progress bar back and forth around the point when Sudo Ken appeared, carefully observing everyone who passed by.
Neither before nor after him did they see any sign of those Class C students. At the very least, that showed they had not followed Sudo Ken all the way from the basketball court.
Horikita Suzune watched quietly beside him without speaking. Although she did not understand the purpose behind Natsukawa's actions, she patiently upheld her promise.
After confirming this, Natsukawa Sosuke decisively closed the video and switched the surveillance feed to cameras near the special teaching building.
The surveillance coverage here had more angles and was more complicated.
He no longer fast-forwarded, instead letting the footage play at normal speed. Seconds ticked by. People came and went on-screen, but most were students hurrying along.
After a long while, just as Horikita's patience was about to run out, Natsukawa Sosuke's mouse stopped.
He froze one of the feeds and pointed at a corner of the screen.
"Look here."
Horikita Suzune leaned closer and followed the direction of his finger.
Three boys were walking toward the special teaching building from another path entirely different from Sudo Ken's. The