Seeing how funny the situation had been created there, Yoru looks away to the right and laughs shyly, the boy's laugh was usually sheepish and cute, his cheeks turn red, Yoru was really happy with his team and his friends , Yoru didn't consider them as colleagues, but as his best friends, they were his first real friends so he didn't want to screw it up.
His sensei looked very scared by his sudden arrival, it also made the boy very scared yelling along with Yuuta:
-IM SORRY! I DIDNT WANT TO SCARE YOU Y-YUTA-SENSEI.
Yoru was scared thinking if his sensei would do something, after all he didn't know the man very well and still didn't know his intentions, not that he thought he was a pervert or something, Yoru directs his gaze to Yuuta again that talks about the boy's entrance, he replies still scared:
-S-sorry Yuuta-sensei, it won't happen again, I-I promise!
And then he reaches out to shake his hand as if he's actually making a deal, his look was still shy but there was a little flare of determination there.
Another yawn, followed by another and so the cycle was perpetuated, Yoru was so tired that he didn't even hear what Shigure said, something about food and he replied, visibly tired:
-Shigure-san, I-I brought some snacks with me, y-you can have it.
He opens a backpack full of snacks, even too much for a boy of that age and that physical, since Yoru is a very thin boy:
-I-I get h-hungry in situations like this too, so you c-could take it, if you w-want.
He stopped talking, but thinking in something else, then he started thinking aloud:
-I even wanted to train with sensei, but I'm not that strong, I only know one genjutsu and my clan's hijutsu, and these days my dad is getting better at shogi, so I have to use my head even more, maybe that will help me, I think. It'll be nice!