<p>Ordinary high school boy Kei Yamada suddenly gains the ability to see lifespans and learns his best friend will live a ridiculously long life.</p><hr/><b>JA</b><p>平凡な男子高校生「山田ケイ」は、ある日突然寿命が見えるようになり、幼馴染が滅茶苦茶長生きだと知る。</p>