A drama series of a sister-in-law and a younger brother drawn by Koichi Takahashi, the most influential person in travel AV. ● When I was a high school student, my father remarried and I, who was an only child, had a sister-in-law. It was only a 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, her sister-in-law came home drunk and made a mistake...
