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"So noisy..."

The door to May's room was pushed open.

May came out, rubbing the reddened spot on her forehead, and stood in the second-floor hallway, looking downstairs.

"Ah, what happened?"

"Su Yang! Did you do something to Yotsuba?"

May immediately jumped to conclusions.

She had not forgotten how this scumbag had tricked her.

"I didn't!"

Su Yang covered Yotsuba's mouth. "Why would you even come to that conclusion?"

"Huh?"

Yotsuba blinked innocently.

By then, May had already come down from the second floor.

"Is this a key card?"

"Did you buy an apartment in this building?"

May asked.

She more or less knew about Su Yang's family background and knew he was not short on money. Still, being able to casually buy an apartment in this building was no small expense.

"I got it yesterday," Su Yang said. "I came here to tutor you, but you noticed the first floor, right?"

"There's an automatic glass door there. You need to swipe a key card to get in before it opens."

"Or a visitor has to press the call button on the first floor and get a response before the automatic glass door opens."

"That makes things rather troublesome."

"But..."

May looked at him strangely, as if she were looking at some wasteful rich kid. "You bought an apartment just because of that?"

"You have way too much money!"

"Then be smarter and stop needing me to tutor you," Su Yang said. "Besides, the apartment next door can hold the teaching materials I need for you. I can bring materials for one person directly, but for five people, it's better to have somewhere to store them."

"Oh." Since the subject had turned to studying again, May had no grounds to argue.

After all.

She was a terrible student.

"Also, what