女上司的欲望裂缝

 时长半小时的短片。故事是发生在TV版中途的番外篇，突出两位女主角的位置，并附带“歌姬”设定……主题曲延用TV版前半部的OP（但收录进剧场版时被取消）。

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　　梧桐中学高二十八班是远近闻名的问题班级，后进生、艺术生、体育生、不良少年聚集在此，以宋宸（柯焱曦 饰）为首的男生帮派和以秦淼淼（熊婧文 饰）为首的女生帮派互相不服，班级混乱无序。一天，高二十八班收到了一封信，这封信自称是由一年后的他们集体寄来。信上说，即将调来的班主任谭 睿明（秦海 饰）会改变十八班，成为对他们最重要的人。然而在一年后的未来，谭老师却永远地离开了他们。为了实现一段没有遗憾的青春，扭转历史，少年们决定按照信上所说，挑战一个个不可能实现的任务...

　　A group of young men dare a classmate to reach the porch of a legendary old house, said to be haunted by the thirteen victims of a family massacre. In hopes of making a viral video they arm him with a video camera to prove he was there or to capture him fleeing in terror before even reaching the house, as others have. When he doesn't return, the guys must go in to get him. Inside they discover the truth about the house, the fate of their friend and their own fate as well.