Sumire Kuramoto, A Boyish Girl (childhood Friend Of Her Son) Who Is Beginning To Awaken To Her Sexuality, Becomes A Practice For Sex And Makes Her Cum Over And Over Again By Cumming Inside Her.

Sumire-chan, her son's childhood friend, is a tomboyish girl who still has no knowledge of sex and hasn't awakened to fashion, but her facial features are well-defined, and she looks like she'll become a beauty in the future. She gets along well with her son and often comes over to play. One day, Sumire-chan catches him masturbating...