I have seen this anime be mentioned in multiple reviews, lists and conversations of Samurai animes. It's name never far from the likes of Ruruoni Kenshin and Afro Samurai. Now I haven't watched Afro Samurai,

amazing kabukicho tower its like edo japan all over the place but inside a tower!! I just wanted to go the namco arcade center, but i had to checkout the ground floor too... ▶️ 3Speak