A drama series of sister-in-law and younger brother drawn by Koichi Takahashi, the most important person in travel AV. ● When I was a school student, my father remarried and I was an only child, and I had a sister-in-law. It was only one year before I got married, but my sister-in-law, who was ten years older than me, was a woman full of adult charm. One day, my sister-in-law who got drunk and came home made a mistake ...
