SDMUA-045 She still thinks Im a virgin.

For the first time in my life, she was my college classmate. - She hasnt done H yet. - Her younger sister Erika is going to take the entrance exam next year, so I, who is good at mathematics, will be her tutor. - It was a lighthearted feeling like Im lucky to get a part-time job and go to her house, but her younger sister Erika teased me as a virgin and seduced me by showing her boobs...