The Dispute over "Older Brother and Younger Sister" versus "Older Sister and Younger Brother"

After that, Asa Mitaka dutifully introduced Asaba Kotone to every part of the campus, one by one.

Asa Mitaka had initially been a little shy around Asaba Kotone, but once she began introducing the various locations to him, her whole demeanor changed at once, becoming very serious.

Only after finishing her introduction to one location, while they were on their way to the next, would Asa Mitaka chat with Asaba Kotone about other things.

"By the way, you and Makima are also colleagues at Tokyo Public Safety?"

At that moment, Asa Mitaka suddenly asked.

"Yes."

Asaba Kotone nodded.

"I see..."

Asa Mitaka immediately found herself somewhat concerned about that.

So Asaba and Makima really did know each other...

But just then, Makima suddenly corrected her. "We're also family."

"Family?"

Asa Mitaka looked at Makima in surprise.

Upon hearing the word "family," Asa Mitaka's first thought was that they were either an older brother and younger sister or an older sister and younger brother.

Though their names had absolutely no connection, and Makima's name sounded more like a foreigner's.

But Asaba's and Makima's eyes were both quite unusual.

Surely they couldn't be husband and wife. Asaba and Makima both looked underage, so under Japanese law, there was definitely no way they could be married.

As for being boyfriend and girlfriend, that did not count as a definite family relationship yet.

After going through a process of elimination, Asa Mitaka concluded that when Makima said "family," she probably meant they were either an older brother and younger sister or an older sister and younger brother.

"So, Asaba, Makima, are you an older brother and younger sister, or an older sister and younger brother?"

Asa Mitaka followed up with the question.

Asaba Kotone: "Older brother and younger sister."

Makima: "Older sister and younger