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One, two, three, how many will my victims be? One, two, three, four, how many more to even the score? When Taro Hibiki leads a survival class into the backwoods, he has two goals: to prove himself as an instructor, and to propose to his beloved Rafe before he loses his nerve completely. In the wilds might seem a strange place for that, but it's where Taro feels most at home--and the only place the couple can escape all their other responsibilities. On BFR, proud colonists say the name stands for "Big Effing Rock," and brag about their planet's dangers. More treacherous than bomb bugs or sight scamps, though, is a human seeking vengeance. Soon Taro's students are dropping one by one, and no matter what Taro does, the killer stays a step ahead. Worst of all, Taro comes to suspect that the students are targets of opportunity--that the ultimate goal is Rafe. Taro would die for Rafe in a heartbeat, but who's going to protect Rafe if he does? As it happens, the killer has a plan for that too.