新进女职员：出差

森崎明日香在破解校园诅咒后消失，三年后，新一批高中生被困在深夜游乐园，陷入 “被红衣人杀死就重复同一天” 的循环。而追杀他们的红衣人，正是被诅咒吞噬的明日香。众人一边求生，一边试图解开诅咒、拯救变回怪物的她。

Four friends wanted to get away from it all for a birthday celebration in a remote country house, but when a mysterious injured man turns up on their doorstep telling tales of a city ravaged by a mysterious epidemic and the looters who have pursued him, the friends rally to help. As the night progresses, it becomes clear that all is not as it seems, plunging the friends into a battle for survival that challenges their deepest fears.

　　青春期的男生除了要用功读书，更要热衷研究「健康教育」。15岁的查拉德（永思．翁帕尼浓 饰）和欧阳（塔纳瑟．苏里雅彭查坤 饰）、欧比（基拉奇．王斯朋 饰）三个无话不谈的好基友，天天一起上下课、烦恼着撩妹小事、分享磁盘里的女神、思念着春天的到来。偶然机缘下，查拉拉目睹心仪女孩樱桃与人气学长潭接吻，为夺樱桃芳心，查拉拉筹划着击败樱桃，好让樱桃崇拜的计划，可现实很残酷，科学竞赛里有个大魔王──堪称考试能手的天才资优生苏达拉。馊主意一堆的三人，决定派出苏达拉的青梅竹马来个「恋情攻克计划」，但计划却全歪楼，学校没教的通通有！充满幻想与冲动的15岁，究竟会出现怎样的青春.性.插曲呢？