“Hyung, when did you learn things like this?”

“When I had free time.”

Maru marked the plastered wall using a pen with a thread in his mouth. After marking at regular intervals, he stepped back and had a look at how it turned out. It had been a long time since he did this, but nothing was off.

He took out the packaged tiles from the box. When he laid out the beige tiles, two of them were broken.

“Are these broken ones unusable?” Yoonseok asked with a pitying tone.

“Put the broken ones to the side. I’m going to use a tile cutter to cut them and use them for the corners.”

“Tile cutter?”

“There’s a blue cutting device in the trunk of the car. Go get that one for me. And bring the scraper as well.”

Yoonseok, who was about to go outside, stopped and asked back,

“What’s a scraper?”

“It’s something that’s used for plastering walls. There’s one made of rubber and one made of plastic. Bring both of them. You’ll know what they are once you see them.”

“I think I know what it is.”

Maru dissolved some tile glue in some water and stirred it around. He stopped stirring when the liquid became viscous and the stirring became difficult. He asked Yoonseok to pass him the scraper. He used the plastic scraper to scoop some of the glue and toss it onto the wall.

The clumped glue made a splat sound and got stuck on the wall. Maru threw...