NKKD-307 - Crying NTR, I'm about to be transferred overseas and had passionate sex while lamenting the parting with my voluptuous sister-in-law. Haruna is...

My younger brother, working as a researcher at a pharmaceutical company, had his long-held dream of overseas research realized and was scheduled to depart for Europe next month. He was staying at his older brother's apartment until his departure. The chaste, voluptuous sister-in-law, Haruna, was spending her days warmly smiling and supporting her younger brother-in-law. But one day, while doing housework, she found herself alone with her brother-in-law, and he confessed, "Actually, I've always liked you, sister," and began to court her, leaving the sister-in-law at a loss for words...