Alien: Dark Avengers

A survivor of the disaster in New Silian City, a young man whose family was destroyed by the vision of the "Ultimate Whirlpool". The catastrophe took away everything from him, and only revenge kept him going. By chance, he obtained a mysterious transformation tool and used jet-black armor and a sword to fight against the strange beasts that were ravaging the world. Wandering in the crisis-ridden Hetero City, dealing with ring organizations and various forces. Wielding the blade, he must not only pursue the hidden truth behind the whirlpool disaster, but also fight against the ever-expanding darkness of revenge in his heart. When revenge collides with self, what kind of world will this blade of revenge split?