A character centered around aerial combat, with insane aerial speed he reign the skies! 

 He takes the appearance of an angel-like being with large wings in the color of a light shade of blue. 

He has the ability to attack with his wings and uses the power of his ice magic.

Can do aerial attacks and combos on his opponents. 

can summon ice Glaciers.

Personality wise, he is mostly quiet and reserved. But will speak up sometimes.

A Quiet and reserved, ice angel from yomi hustle.

NIFLHEIM, the flaming odachi-wielding swordsman. 

has fire abilities and can do volleys of slash attacks.

Has a dark shade covering his body to make him look intimidating.

can summon fire. 

does deadly combos of fierce slashing attacks combined with fire abilities. 

He can be fierce and relentless. He is also usually grumpy and slightly cocky in terms of personality. 

The flaming odachi wielding swordsman

Psycho, the psychotic knife marauder. 

wields a knife as a weapon.

 He can do quick slashes and stabs to attack his enemies. 

has dark magic which he uses against his opponents, and likes creeping on his opponents.

Can summon knives to throw

his insanity only increases the longer you battle him. 

He is very aggressive, and psychotic. He can also be very bizarre at times. 

The psychotic knife marauder from yomi hustle.

The headmaid of S.C.O.R.P-corp.
An artificial hybrid destined to be used for some unethical science to fight back the demon invasion, but after the demonic threat got abruptly eliminated, she has been abandoned as Noone wants to associate themselves and take responsibility for all the horrible experiments.

She later got recruited by S.C.O.R.P to provide for the people like her - abandoned hybrid subjects who are either having a terrible life or running amok.

(Is one of Sai's characters)

The headmaid of S.C.O.R.P-corp.

A professional Muay Thai fighter who is also a Buddhist. 

wears boxing shorts, and rags wrapped around his forearms and ankles.

 He is able to do multiple powerful kicks, sweeps, punches, and stand up striking attacks.

 Is able to send a powerful gust of wind from his kicks and punches.

Can summon a Buddhist hand to crush his opponents.

He is honorable, skilled, and focused as is respectable personality.

A professional Muay Thai Buddhist fighter 

Kali - the red mist is from a video game called yomi hustle. 

Kali - the red mist is a character with overwhelmingly offensive abilities.

She has dark red hair and has red pupils.

 armed with a curved sword with a very wide blade. 

The blade also seems to have eyeballs and is made up of flesh.

 Can do fast Devastating cuts and slashes.
And can extend the blade for range attacks.

She has a very serious and abrasive personality. And can adapt to different situations quickly.

A character with overwhelming offensive abilities

The little sister of 3 brothers. Natasha's unique fighting style of mother Russia

She is somewhat muscular with messy hair and Wears gloves on her hands. 

Can pummel her opponents until her knuckles get bloodied and can throw needles As well as injecting herself to be more brutal.

Uses glass bottles and steel pipes as weapons.

Owns a sawn off shotgun

She can speak Russian and has an angry and combative personality. She can also be stoic and sarcastic.

The little sister of 3 brothers.

A bat wielding a bat, a Bat Bat!

Backstory: Bat Bat is a highschooler and a competitive baseball player with shocking playstyles. Originally she thought her ability was interacting with sound, but after some 'spiritual lightening' done during a fight she got into for tresspassing at a Hu Hou shrine, Bat Bat found out she can actuelly interact with 'wave'... by now, she just creates wave manipulation. She is also invloved in a highschool Roleplay club with 'mayu ashigaka' who is the gang leader.

A notorious high school student named Than soun.

The first daughter of "the butcher" - the demon huntress.

Uza was trained by her mom to survive the harsh world. But what both of them didn't expect is some 'heroes' who disappeared long ago has suddenly come back and had apparently neutralized the whole entire thing. Everyone believed the Demons were gone except for her mom. (Who had accidently killed her husband)

Now, Uza works for a security company  and her brothers went in their own ways.

The daughter of "the butcher" with a giant sword.

Is an old person. 

wears Tsumugi clothing and have long hair With a bang covering his right eye. 

He has a walking stick which he uses as a weapon.

can meditate. He is very wise and smart with his martial arts And seems to know everything. 

He is a hero who had the knowledge passed down to him, which he defeated and sealed the ancient evil "susano'o"

Is old, wise, and knowledgeable. And can be very respectful.

An old but wise, elder from yomi hustle.

Being a mythical spirit, she was a splitting image of someone else. She believed that her extra tails were inherited from her original(s?) Since according to all legends she read, the closest kin to her grow another tail every 100 years. And she is no way that old yet. 

She wanders aimlessly, enjoying whatever the modern world has to offer and identifies as "They/them". But be warned, she is quite the quirky and kinky one. She often carries a large brush with her.

(Is from saiverse)

A quirky and kinky mythical pink fox girl.

Nomad, the prideful omnipresent. 

Capable of manipulating matter down to the atomic level to phase shift, to create weapons, and slice through space itself.

  Can do deadly combos with his powers and abilities against his opponents. 

Can create weapons to slice through space and his opponents.

He is pretty prideful, and attentive. And can be precise at times.

The Prideful Omnipresent from yomi hustle.

Having lived through the chaotic era of demons ravaging  the world, Nala didn't have the greatest mental, especially when she used to work as a butcher for demon corpses. She did whatever  to make a living.

 Peace time came eventually, and she had 5 kids. But sometimes Nala's mind  fractured and she can't recognize her family, seeing them as demons and tried to kill them. This cost her husband's life before she snap out of it. Distruaght by her condition, She sent her kids away and live alone.

The huntress butcher.

Born from an affair between her dad and his wife's sister, who passed away later, let's just say things worked out somehow. Fuki grew up oblivious to those adult problems, she taken a liking in swordsmanship and was eager to learn from her dad. After high-school, she decided to take over her dad's dojo. She qualified as a master anyway, although she is still new to this whole teaching things. A novice master is how her dad calls her.

(Fuki's father is Blate ashikaga)

A voidfox dojo master. Quite cunning.

The IT. Department of S.C.O.R.P-corp

Was an abandoned experiment to fight demons, but she was recruited into SCORP.

Lynk is not the body but the mind. Like a super intelligence AI but is not an AI, and is someone who got uploaded into magical-internet who could also interact with actual internet. 
She has the ability to transfer any soul into any suitable vessel, so now she is living in a mechanical one, free of daily needs. The biological body is kept in a freeze somewhere.

The IT. Department of S.C.O.R.P-Corp 

Originally the the princess of a tyrannic king. Syrie was used as a sacrifice for a demon army. she managed to escape but came out as a twisted mind and thrill-seeking monster.

 Luckily, syrie followed her sibling trio to solve the latest world-destroying threat.
She is currently dealing with the aftermath of it so her brothers can enjoy their "boring retirement" life. She is the founder of S.C.O.R.P, a group with a front of dealing with demons and rehabilitating hybrids.