Also known as: 厚藤四郎, 厚藤四郎(刀剣乱舞)
A Touken Ranbu character. Formerly Atsu Toushirou.
He is a Tantou specialized in armor piercing or a "yoroidoushi". He is dressed much like his brothers and has a boisterous, cheerful personality.
His Kiwame form makes him dress in full Japanese Armor over his usual uniform.