C54 The Brother and Sister Chatted

"Still hitting the books, huh?" Su Yu'an said with a cheerful smile.

Su Zhaoyi was startled but relaxed when he saw Su Yu'an walk in. "What brings you here, sis?" he asked, getting up to greet her.

Su Yu'an and Su Zhaoyi were only two years apart, and their close bond meant they always called each other brother and sister, ignoring the usual family hierarchy