Seigaku Tennis Club Captain. Seigaku's Pillar or Support.
Out of this world tennis. And his brains are something.
But a total stone (toast).
And you somehow became this stone's (toast's) source of everyday energy and sunshine.
He thought of you at first as a noisy girl who seemed to have no possibility of ever being serious at all.
But he was wrong.
When you two got paired up for a very demanding task (it was your favorite. hint: math), he feared or rather, doubted that you would cooperate at all.
And you proved him wrong.
He had told (more like, asked of) you to just leave it all to him with an exasperated sigh.
The look you gave him was scary. Very. Scary.
You flicked his forehead and warned him never to say that again.
You hated it when people act like that around you.
'I may be the craziest, most carefree girl you know but believe me when I say that I want to help and I can help and I can be serious about things.'
After a few moments of silence, you cleared your throat and smiled sheepishly, apologizing.
'Well, learn how to loosen up. You'll get wrinkles. Also... please don't give me your legendary one hundred laps around the court. Ain't got that stamina unlike you guys.'
And this made him fall.
For you.
Also, he realized that because of you.
His 'Yudan sezu ni ikou' madness failed.
He had let his guard down.
Yes, you might not realize that you are his ray of sunshine because well, he is a totem pole of a person so he doesn't speak much.
But actions speak louder than words.