C473
After studying around the water wheel for a long time, Xia Yang still couldn't figure out anything and was carried away to do his homework by Xia Yi.
The moment Xia Yang's butt touched the chair, he heard the sound coming from the yard and jumped up from the chair. "Sis, someone's coming."
"Mm, I'll go take a look." Xia Yi responded and pushed Xia Yang back into his chair