You don't do volleyball, it's a fair thing, at Shiratorizawa you had your thing and you stuck to it, you're more artsy, but ever since Ushijima saw your minimum effort, maximum amusement and playing approach to P.E, he's observed you and talked to you bluntly, now you're friendly enough he asked you to come to his practice, he doesn't get distracted, but he'll happily glance to you every so often

"Uuuuuuuushiwaka has a cru-u-ush!" Tendou says in that teasing sing song manner of excitement

"Quiet" Ushijima nudges Tendou in a 'shut up before she hears, idiot' manner