Chi-Woo suddenly felt a strong spell of dizziness. He closed his eyes and pressed his temples hard.

‘Hm.’ After organizing his thoughts for a while, he nodded. ‘I don’t get anything.’

He didn’t know what was happening, or why this girl was calling him oppa. In situations like this, he needed to untangle things one by one. Thus, he opened his eyes again and said, “Why am I your oppa?”

“Huh?” The black-haired girl titled her head.

“I am the youngest in my family. I never heard of having a younger sister,” Chi-Woo said.

“Ah…that’s true, but I didn’t mean it in a purely biological sense.”

“Then what?”

“Well, that’s—”

Chi-Woo craned his ears for an answer but didn’t get one no matter how long he waited. Taking a closer look, he realized it wasn’t that the girl wasn’t speaking, but she couldn’t. Although she was moving her mouth, Chi-Woo couldn’t hear what she was saying at all. Seemingly coming to the same realization, the black-haired girl scowled.

“Fuck! This shit again?” the girl cursed.

‘Shouldn’t this part be censored instead?’ Chi-Woo thought but decided to drop the issue. And since the girl seemed unable to answer him for some unknowable reason, he decided to move on to the next question.

“Who are you?”

“Me?” The black-haired girl glanced at the white-haired girl. “Or us?”

“Both.”

“Well, who do you think we are?”

Chi-Woo furrowed...