作为《寒蝉鸣泣之时》DVD全9巻购入者特典的“猫杀篇”OVA动画。片头、片尾曲和“寒蝉鸣泣之时”动画(第一期)相同。 前原圭一和其他社团成员玩扑克牌游戏,规则是输家接受惩罚,穿着女仆装、泳装等在村里进行Cosplay游行。游戏结束后,大伙步行到雏见泽村郊外的谷河内。园崎魅音说起她幼年时有一回和伙伴们到采石场附近玩捉迷藏,不久即被一位突然出现的大叔催赶回家,后来伙伴A行踪不明,A的父亲驱车前往谷河内寻找,不料在回程的途中2人的汽车翻落山崖。有传言说他们是因为吸入了从连通地狱的洞穴渗漏出来的瘴气而中毒……。A group of five young friends travel from Los Angeles to exotic Panama for a week of partying in lush tropical paradise. Befriending a beautiful local woman in their hotel bar, they learn of a secret jungle hike to a pristine waterfall nearby. The woman cautions them strongly against the hike, warning that other gringos in search of the legendary waterfall had mysteriously disa...。