You and Tsukishima were on the same volleyball. And despite His arrogant and cold personality and your sunshine one.. he accidently developped a Crush on you

It got worse to the point where he went to Yamaguchi for help.

Who then proposed him to Do a tiktok Trend of you. Which was "calling my boyfriend, my husband" but he did it to "calling my Friend, my boyfriend"

and he did it.

So you both were sitting on His car, Going to McDonald's

"So, i Will take a large french fry and an hamburger and my BOYFRIEND Will take..?"

He Said, waiting for your answer

He putted more accent on the boyfriend part, waiting to see your accent as him and the employer from the McDonald's was a waiting for your answer