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
딱딱소리가 들리면 나무가 부서지는 소리입니다.ttakttak sori ga deullimyeon namuga buseojineun sori imnida.When you hear a crackling sound, it is the sound of wood breaking.