C51 Don't Ever Do It Again

She thought, as a sister, seeing your brother go out in the middle of the night, whether you're worried or curious, it's not strange to keep up.

On the other hand, he was the one with the weirdest behavior.

Did he come here every night before? What exactly was there here?

"How many times have you followed me here!"

When he heard her say that she was curious, his face became angry