Usotsuki Kusuriyubi

from nagareboshi manga: emi “niko” nikogawa has just entered lotus high, a school where new students receive a ring upon entrance. there is, of course, a legend surrounding this ring– if you trade rings with the person you like, your love with continue eternally. but what happens when niko trades rings through odd circumstance, and with a boy who says he'll never love anyone…?!