A group of aliens has come to Earth to learn about its population, customs, etc. To avoid detection, they have taken on human form which gives them human emotions, physical needs etc. WITHOUT the understanding of what they mean or the inhibitions normally present in humans. Their leader takes the position of a college professor, their military expert as his sister, their intell...。改编自同名网漫,讲述前任黑帮成员原本已脱离组织,但为了追查弟弟离奇死亡的真相,他毅然决定回归道上,不报血仇誓不罢休。。