I heard the thwack and gir's cry when I came back home. I approached there with the stealthy footsteps and found Shizuku was getting spanked by my aunt who was real mother of the girl. "You, come here and watch her punishment, Fuka" Aunt told me when she found I was looking at them. "Oh, don't watch me!" Shizuku flushed with shame but still kept on proffering her buttocks to her mother's severe spanking with a quiver of her lips.