C723 Have a Taste of My Sand

Suddenly, a chunky boy holds a handful of sand... He ran over. When he ran behind Ma Siyu, he did not say anything and raised his hand to grab the lump of sand in his hand. He followed Ma Siyu's back and stuffed it into the collar of the collar on her back.

"Ah -"

Ma Siyu, who felt that something was wrong, could not help but exclaim.

Fubao, on the other hand