Touken Ranbu (刀剣乱舞) is an online web browser game by DMM and Nitroplus. Players assume the role of a Saniwa sage (審神者) who travels into the past to defeat evil forces that are trying to change the course of history. As a sage, you have the ability to bring famous historical swords to life as touken danshi (刀剣男士). Your duty is to bring these blades to life, create an army, and defeat the enemies!
This Wikia provides information and tutorials in English to help you play the game even if you don't understand Japanese.