《同级生》作者中村明日美子的耽美漫改新片。壹河光夫和市川光央从少年时代就形成了一个听从另一个命令的主仆关系,长大后的一件谋杀将指引他们再度交织。When one Mitsuo Ichikawa hears from another Mitsuo Ichikawa, who was a school-mate of his and also a senior and a mentor he learns that the caller is not only a thug, but has also murdered a woman. Instead of causing distance the two instead form a new collaboration.