『美國(guo)夫(fu)婦野(ye)外交換』介紹:轉學到(dao)遠處高(gao)中的(de)金澤(ze)伸明(ming),由于在之前(qian)的(de)學校(xiao)經歷(li)過的(de)某件(jian)(jian)事(shi),而(er)對(dui)(dui)于與(yu)同(tong)(tong)(tong)班(ban)(ban)同(tong)(tong)(tong)學親密相處感(gan)到(dao)恐(kong)懼,封鎖(suo)了自己(ji)的(de)內心,但他以(yi)體育祭上的(de)班(ban)(ban)級對(dui)(dui)抗(kang)接力(li)賽為(wei)契機(ji),開始(shi)和同(tong)(tong)(tong)學們變得(de)融洽起來。此時(shi),同(tong)(tong)(tong)班(ban)(ban)同(tong)(tong)(tong)學全員的(de)手(shou)機(ji)收到(dao)了一封自稱為(wei)“國(guo)王”之人所發送的(de)郵件(jian)(jian)。同(tong)(tong)(tong)班(ban)(ban)同(tong)(tong)(tong)學們認為(wei)這(zhe)只是單純的(de)惡(e)作劇而(er)并沒當(dang)回(hui)事(shi),但只有(you)伸明(ming)知道此事(shi)的(de)含義,并對(dui)(dui)于要(yao)面對(dui)(dui)即將(jiang)開始(shi)的(de)“死亡”游戲感(gan)到(dao)內心糾葛……