He is absolutely still frightened. He's also overflowing with empathy for everything ugly and unwanted, just as he perceives himself, and in the current high-stress state it seems very important to try and do anything good. At the same time, he knows the spiders are considered pests, but... they had been hiding, and they were afraid...

He squeezes his eyes shut and shakes his head, trying to clear his thoughts. "I -- I'm not sure if it's a good idea," he admits, glancing at Suzaku before his gaze shifts downward again, "but this just... seems sad, you know?.."