Longer chapter as I wanted to get this part through in one go :3
Yes. I know it's annoying when someone puts their o/c into a book, but it's only for this chapter~
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Ukai Keishin was about ready to leave the gym. He was just telling Takeda what to do for the practice match. The teacher nodded his head and did an action similar to a salute. He looked at the two courts in the gym. Both Karasuno and Aoba Johsai we're warming up. Nekoma was waiting, and was a little worried because not only was Kenma not there, but Yaku had run off somewhere (he was having a crisis). They were deciding on who would be practice setter as both the boys were away. As Ukai looked at his own team, he was rather nervous, as Hinata wasn't there. But hang on, it seemed like another was missing.

Tsukishima Kei.

Right as Ukai noticed, a familiar tsundere revealed himself. "C-Coach," Tsukishima cleared his throat. Ukai turned his head to the middle blocker. Something wasn't right. The normally chill first year had a little bit of pink in his cheeks, and was looking at the floor. "What's up?" The coach of Karasuno asked, interested. Tsukishima rubbed his neck. "W-Well, I was just... Wondering if I could... go with you... As I'm interested in t-that stuff..." he asked, clearly nervous. It took three seconds.

Three seconds before tears welled up in Ukai's eyes.

Takeda gave out a chuckle. Tsukki stepped back, not knowing what he did. "*sniff* O-Of course you can. Look at him, stepping out of his shell," Oh. So that's why the coach had tears streaming down his face. Tsukishima's face blushed ten shades of red and back again, not liking the fact his own coach thought of him that way. It was rather childish, but Ukai was genuinely happy. The middle blocker nodded and bowed, before he went to change out of his uniform and into normal clothes.

"... Hey! Where's Tsukki goin'?"
"Don't call me that."

~~

Ukai looked at something on his phone, then up to a small shop. "I.. I think this is it," he stated, looking back at the address he was given from Takeda around ten minutes ago. Tsukishima stood beside the coach, internally excited. He would be finding out about those weird shoes that made Kenma and Hinata change bodies (and he was getting out of practice): it was hard not to be excited.

~~

The two males walked into the shop. The door jingled a bit when it was opened, and a young adult looked up from what he was reading at the cash. "Welcome! How may I help you this fine afternoon~?" The boy happily asked. He had brown eyes and slicked-backed black hair. 

Way to cheerful... Tsukki couldn't help but think. "We're looking for someone. Do you happen to know someone named Yamhii?" Ukai asked, a natural smile on his face. "That would be me! To what do I owe the pleasure of meeting two fine men like yourselves~?" Oh no. He was a flirt. Ukai didn't seem affected, as he just continued talking. "We would like to speak to your manager, regarding those shoes two of my students brought yesterday. Apparently you know one of them: Kozume-Kun?" The coach asked, still smiling. Tsukki had to prevent himself from laughing due to how much his coach sounded like a Karen. Yamhii nodded and gave a warm smile. "Of course. Please give me a moment,"

As true to his words, the young worker came back with a female only moments later. She and Ukai engaged into a conversation, with Tsukishima listening intently. Then, he felt like someone was watching him. The middle blocker tried to ignore the feeling.

It didn't work.

To try and make it seem normal, Tsukishima slowly turned his head in the direction he felt someone was staring from. He was right. Yamhii's brown eyes locked directly with his own. A sly wink came, which caused Tsukki to blush. Then, he was called over by the boy. The first year weighed his options. He didn't really need to be with Ukai and the manager, as they were currently just talking about how annoying certain customers were. Reluctantly, Tsukishima weaved his way through the sports equipment in the small shop until he was at the cash with the overly flirtatious boy. Now that he was closer, the tall beanpole noticed how short Yamhii really was.

"Come with me~"

That made the first year's eyes enlarge three times its normal size. "Don't worry~ I can see you already have a significant other," the boy said, a teasing grin on his face. Tsukishima bushed once more, but before he could say anything, Yamhii started walking. The first year followed. "I was wrong... It seems you are just thinking about this person. Best of luck to you and the lucky boy~"

"W-What-"

"Here we are! Watch this!" the black haired boy excited. Tsukki took notice that the two were now in the back of the store, where only employees could be. In front of the two was a closet. Yamhii opened it and walked inside. He moved a few cleaning supplies that were on the floor onto a rack, and then walked to the wall. There was a dent in it, and the boy pressed a thumb into it, then stepped out of the closet. A moment later, the floor slightly shook, and slided, revealing stairs that went down into a dark place. Tsukishima was stunned. Actually, stunned wasn't the right word. He was surprised, yes, but was also lowkey impressed. He started to think about how that was even possible with the geography of the store, but was snapped out of his mind.

"Hey...? Are you coming?"