"When Alberts and Tanaka went in to take care of an outbreak in a highschool they really didn't think to find anyone left alive, yet some students made it out of the hell that came for them

While escorting the last few students a scrake came out of no where cutting down one of the students. Alberts hold the last student back as she screams for her now deceased friend. Tanaka on the other hand begins to approach the scrake putting his rifle on his back and unsheathing his katana. After almost evacuating the entire school, or what was left of it, with out one survivors getting hurt, the scrake emerged from one of the classrooms after turning it into a blood bath, cuts down the poor girl.

Maybe it was seeing all the students cut into peaces, maybe it was the fact that he she almost made it through just to be cut down at the end, what ever it was, it was personal for him. This was his Vengeance."