[Rubbing his head just below the nape of his neck, Oikawa lifted it enough to slouch with his chin over Iwai's shoulder then, softly papping at his hands until his phone is definitely put away, he leaves his hands softly kneading at his chest then as he simply stands there. It would be too difficult to move away for a moment.]

No, I only wanted to bug Iwa-chan. Now thank me for saving you from a boring class where you can't understand anything in it anyway!

[Lifting his head and just brushing his ear with his lips, Oikawa let go then to slip away and smile, starting to walk down the hall.]