The fixation with wanting to help Gentarou was less about the other being incapable (though Kengo still tried to convince himself otherwise sometimes) and more about his own paranoia surrounding the use of the system. Even after so many months, he felt overprotective of his father's work and the fact that he should be as close as possible to it at all times. It was his mission, his burden, even though there were others around him now to help take the weight off of his shoulders. Along with that, it was a way for Kengo to feel closer to the father he never knew. When he didn't allow himself to get close to too many people, working on the system had always been something that made him... happy.

"You won't bother me." On a stroke of luck for Ryusei, it seemed Kengo was intent on moving the chair around on his own. He grabbed the chair and turned it towards the wall, taking a seat and leaning back in it. Tossing the pillow under his head, he turned his back to Ryusei and made a soft, frustrated noise. It felt weird to trust someone this much. He wasn't even sure if he would actually fall asleep or not, but the stress his body had been under was starting to pile up.

Crossing his arms in front of his chest, Kengo turned his head a bit to look behind him. "If it worries you too much, you can just close the door to the control room. ... I just need a few minutes and then I can help with whatever you're working on." A few minutes was more like fifteen or so, if he would actually fall asleep. Aside from that, he was sure that Gentarou's arrival would certainly wake him up, regardless of how deep his sleep might be.