Ichiru Kanzaki is given an offer he can’t refuse: to clear his entire debt, he has to enroll in the high school where his father works to track down his father’s illegitimate daughter, his own young...more

Ichiru Kanzaki is given an offer he can’t refuse: to clear his entire debt, he has to enroll in the high school where his father works to track down his father’s illegitimate daughter, his own younger half-sister, whom he has never met. But which girl is she?