Koi Kaze
Summary
Nanoka and Koshiro were separated at a young age when their parents divorced. Now, 10 years has passed, Koshiro has already forgotten about his younger sister. Yet, Nanoka has decided to attend the nearby high school and came back to live with her father and brother. However, the two have met just before Nanoka came back to live together and without knowing each other's real identity, they went on a date, only to find out that they were actually siblings...











In a system like that there would need to be rigorous documentation and certificates of prior ownership/guardianship or else anyone and everyone would just get grabbed off the street and enslaved at any time, and such a society would collapse instantly. So these slavers wouldn't have such documentation unless it was a forgery since the kids were just kidnapped; both offenses should be very serious capitol crimes. Once again, the day is saved by glorious Bureaucracy! (and the MC's knowledge and exploitation there of).