The light show really is hypnotic, even apart from everything else that's going on. It's objectively so lewd that Aoba should be embarrassed to death, but between how detached Luxaela is from the human anatomy that should cause such embarrassment on one side, and Aoba's own arousal on the other, that embarrassment simply never comes to fruition. And so he keeps gently stroking that penis-tentacle, intrigued and turned on.

"It's fine." Especially since he's still wearing his borrowed skating clothes L O L... but, really, he's just incapable of thinking about any future consequences when he's so into things at the moment, even with those consequences emphatically pointed out to him. "Just do it."