Yumi and the Yamayuri Council have recruited two fresh assistants, Kanako and Toko. Sadly, their aid is strained, as neither girl takes a liking to the other and both appear probable choices for Yumi's petite sister. Will one suit Yumi well? As the academic year advances, duties for the Yamayuri Council accumulate, and pressure mounts on Yumi to finalize her choice before the council's next meeting, which will determine their roles and responsibilities.