[Reducing Mosaic]DRPT-057 "If you won't do pussy, then let me lick your asshole!" A brother who can't focus on his exam studies because he's obsessed with women's bodies begs on his knees! After days of constant asshole licking, the gentle sister千石もなか awakens as an anal s

The current problem of the younger brother while studying for exams is that he can't concentrate because he keeps looking at his sister sexually. When she points this out, he musters up the courage to beg for SEX, but of course, he gets rejected. However, the persistent brother proposes, 'If you won't let me have sex, then let me lick your ass!' The reluctant sister eventually agrees, but gradually becomes addicted to having her ass licked... until she can't bear it without her brother's licking!