Akane: She's beautiful and popular, lively and full of vitality; Aoi: Looks like a small animal but is actually very clever. Who knew that these two very different people were actually... twin siblings?! In...

The story is about Mutsu Tsukumo, a young and normal looking youth who challenges great foes to prove that his style of fighting is the best in the world. His Ryuha, or fighting style is called Mutsu Enmei R...