[He does start laughing, but it's not mockingly, instead it's from being entertained by the reaction to his kiss back. He's not even kissing at his best, and he made Tobio react like that? Definitely amusing, and he carefully and swiftly shifts the hand that's balled into the other boy's shirt to around his waist for support, resting his palm on Tobio's lower back.

And for better control of keeping Tobio in place, though that doesn't seem like a problem at the moment.]

Don't get me wrong, I still hate that you replaced me in middle school and I still want to crush you on the court, but you're cute. You make me angry but... I think I stopped hating you a while ago and just hated your talent instead.

[As backhanded as his words sound, there's eerily no animosity in any of them. Just acceptance.]

And I'm not sure why, or when.