[It's kind of a shame he can't have his mouth around Naoto and sit back and watch him squirm at the same time. But he's doing his best to glance at Naoto as he does tease the head of his cock with his tongue, just completely amused and happy and vindicated by all Naoto's squirming and noises.]

[He can't say anything though because his mouth is sort of occupied, and getting more so when he decides to slowly slide more of Naoto's cock between his lips, cheeks hollowing a little as he sucks on it.]