Shuiro no Kamen

The mask brings calamity. The mask revels in slaughter. The mask has a will of its own... Pelle, a traveling mask merchant, possesses the ability to craft mysterious masks that give its wearers unique powers. In a city shrouded in an eerie atmosphere, he encounters Sonah, a mysterious young girl. As revelations unfold and inner conflicts arise, a young boy takes his first steps forward! Immerse yourself in a thrilling mask battle fantasy!

(Source: Orange Inc.)