梅花引

三年级的弓道部部长岸本杏（池田依来沙饰）决心引退，由二年级的天才学弟三神曜太（中尾畅树饰）继任部长，然而事情却朝着出人意料的方向发展....。A weekend trip to the woods for a bachelorette party turns deadly when a nearby train accident causes a chemical reaction that overtakes the secluded。