'Sarara' was entrusted with the education of her younger brother 'Akira' by her strict father. However, Akira's erratic behavior always angered her father, and Sara was stressed. One day, while taking a bath with Akira, Sara and Akira are glued to Akira's cock. Sarahara, who has lust for her younger brother, decides to teach "sex education", which was not entrusted to her by her father.
