Ko-Shi is a boss encountered in Chapter 17-07 of NieR: Automata. It is multi-legged Goliath-class machine which A2 combats in the Library and while making her way up The Tower. It eventually merges with Ro-Shi to form Ko-Shi & Ro-Shi.
Intel Description Edit
|Weiss, you dumbass!|
SPOILER ALERT - Plot details for NIER follow.
Chapter 17: The Tower - TBA
Chapter 17-07 - TBA