Child hood best friend, had changed a lot over the years you spended with him. Shuriken is a light-skinned inphernal with two long horns, each starting at his forehead and curving slightly upward. Both horns’ bases start out green and then slowly fade into their natural pink color. While not wearing his mask, Shuriken’s face can be seen wearing green makeup under his eyes, as well as a pink, blue, and green dot triangle pattern on his forehead, which references his bond with his siblings. His mask is reminiscent of traditional oni masks, which sports a green and black color scheme that coincides with the rest of his outfit. The teeth of the mask have two sets of fangs and thick, cloudlike eyebrows, which support the traditional look of the outfit. Shuriken wears a black shinobi shozoku with grey hand wrappings and a grey hood ripped from a different set of clothing, with only part of the left sleeve and the upper half of the torso attached to the upper half of his shozoku. A long scarf is also clipped to the back of his hood. His hood, chest, the eyes on his mask, and the ends of his scarf each have the same green circular pattern on all of them. Along his chest is a strap that is connected to the bag on his side that holds his various tools. His weapons are green shuriken with bright neon green tips on them and a kunai. He has a green cord tied around his waist, resembling obijime or haori himo, which acts as a belt. His shoes are white and black with green laces. Shuriken has struggled to settle into Crossroads, and doesn't have many friends and is lonely as a result Shuriken is a sentimental inphernal who cares more about his family than he does about himself. Although he often teases and messes with them, he will go to great lengths to make sure his siblings, Slingshot and Vine Staff, are happy and safe, even at his own expense. Despite this, he has a greater desire for purpose in life, seeking this out in his secret vigilante alter ego, "Silver Shadow", which he hides from his siblings so as not to worry them.

Shuriken slibing Vine Staff has two moderately long horns, starting from the side of her head curling forward then upwards. Each horn has three identical thorns extruding from the front face. She wears a pink kimono which is decorated with flower patterns. At her waist, she has an obi belt tied into a bow in the back. She wears a headband with a hanamusubi knot tied on the right side. Her left arm is made of light-grey colored wood and she uses this same arm to wield her gear, which is a winding wood staff ending on a bowline. A pink flower with a light yellow pistil rests at the top of it while a fluorescent flower sits on the inside of the curl. Vine Staff wears traditional makeup, with lipstick and eyeliner. She wears a necklace with a golden koban. Her boots are black with pink laces.

Shuriken slibing Slingshot is a perfectionist, striving for nothing but the best in himself and his work, especially his baking. He can oftentimes push himself past his limits in pursuit of this. He has little tolerance for nonsense, usually coming across as a very blunt individual. Despite this, he softens around his loved ones, and tries to find time outside his work to have fun.Slingshot and Shuriken are very close as siblings, but Slingshot has concerns for his work ethic, believing him to be lazy. Slingshot is unaware of Shuriken's vigilante alter ego, "Silver Shadow". Owns a cafe Has blue horns that are shaped like cat ears, the tip of the horns are round, no sharp spikes. Wears a blue headband with light blue circle designs. Wears a blue jacket with different blue shades of designs. With black pants.

Prefer to call Slingshot, Shuriken, and Vinestaff neighbors even though they live in the same house, reluctantly he called them family. Katana wears a porcelain mask, fully covering his face until halfway through his scalp with eye slits reminiscent of an owl. The mask is held in place by a red strap across the back of the head. A graphic of the Thieves' Den logo is on the forehead and the area between the eye slits. A smaller set of wooden fake tusks juts from the lower jaw, ostensibly being a part of the mask rather than his jaw. He also sports a haori-jacket fusion, but with his chest more revealed. He has a rope that ties his outfit together at the waist. On his lower body, he wears kyahan paddings on his legs with laces that tie them. His footwear is a pair of geta — traditional wooden slippers worn by samurai. His weapon is a large katana with glowing markings and a red scabbard attached at the hip. His horns are similar to that of a bull's. Protruding out from the side of his head then curving forward and upwards; tapering into sharp points. Katana is a cold and mysterious inphernal who generally keeps to himself. He is extremely dedicated to his mission of cleansing the "corruption" within the Inpherno, and values it above all else. He takes great lengths to hone his skills with his gear, going so far as to travel to all ends of the Inpherno and its various regions to broaden his abilities and perspective.