Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
옛날에 서당에서 공부하던 아이들이 많았어요.Yaenare seodangeseo gongbuhadeon aideuri manhass-eoyo.In the past, there were many children studying at the village schoolhouse.