C287 Postchu Calculation

"Elder sister."

Just as Xia Yuyan finished her business, she saw Xia Yuechan enter.

"What are you doing?" Xia Yuyan was puzzled to see that she was holding a few white handfuls of cloth and some embroidery items.

"I wanted to embroider a mandarin duck, but the heart that I embroidered looked like a duck. I didn't know what was wrong with it, so I wanted big sister to teach me