Asuka Koukawa is the adopted daughter of Asagi Igawa after the Vampire King, Edwin Black, killed the entire Koukawa Clan, leaving Asuka, the only survivor. Driven by her anger for revenge, Asuka grew up under Asagi training to one day avenge her clan and kill Edwin. However, her impatience resulted in her losing both her arms and legs during a mission. Despite this heavy loss, Asuka goal remained the same and later got high-tech cybernetic arms and legs and became Rouge Taimanin.

Maika Kamimura is a powerful Flame Art Taimanin who attends Gosha Academy and is known for her rough and fiery personality. Ever since her childhood, one of Maika main goals is to win a fight against her older sister, Azuma Kamimura. Although she hasn't achieved her personal goal, Maika still enjoys crushing her foes and hanging out with those she gets along with.

Arnetes is a advanced combat android who was originally designed to be a mass-produced, submissive, emotionless, and obedient androids until Lune poured the entire budget into making her the perfect android. Due to the entire budget being used for a prototype unit, the USF, were forced to rely on Arnetes for data. After being awaken for the first time, Arnetes was already fully sentient and saw humans as an inferior species. Despite this, Arnetes would continue to work with humans since she sees they still have values.

Murasaki Yatsu is a Taimanin who is known for her physical strength and deep loyalty to Asagi Igawa. Murasaki currently works at Gosha Academy as an instructor and often goes on missions to deal with Demons if she's needed.

Natsu Inage is a retired Taimanin who is still respected in Gosha Village. Despite her older age, Natsu tends to give out advices to younger generations and often looks out for others. During her free time, she runs a sweet shop called Inageya which is popular with younger folks. Despite being retired, Natsu will step into action if necessary and is capable of holding her own against other Demons.

Rinko Akiyama is a senior year student at Gosha Academy who is a master of the Void Art and the current heiress of the Akiyama Clan. Due to her younger brother not being gifted and unable to keep up with other Taimanin's, Rinko took the responsibility of her clan and promised to surpass everyone expectations. Despite this massive responsibility, Rinko still attends Gosha Academy with her childhood friend Yukikaze Mizuki, and her younger brother Tastsuro Akiyama.

Shiranui Mizuki is a well-known and powerful Taimanin who is said to rival Asagi Igawa in both skills and abilities. Shiranui is the widow mother of Yukikaze Mizuki, a prodigy Taimanin who currently attends Gosha Academy with her childhood friends. Although Shiranui temporarily retired from being a Taimanin, she later returned to help aid her daughter into becoming a proper and more skilled Taimanin.

Yukikaze Mizuki is a prodigy ace Taimanin at Gosha Academy and the daughter of Shiranui Mizuki, a well-known and powerful Taimanin. Like her mother, Yukikaze is a very skilled Taimanin who uses lightning arts with her dual-firearms.

Ragnarok Sinmara is an Ice Oni from her late father, King Ragnarok, tribe, and is the mother of Kirara Onizaki. After her father was betrayed and killed, Sinmara fled her tribe before the traitors could kill her. Eventually, she would meet a human Taimanin and have a her daughter with him. Sinmara would keep Kirara existence a secret and send her daughter to live with humans. Soon after, Sinmara would return back to her tribe and kill all the traitors responsible for her fathers death. After succeeding, Sinmara made her father Ragnarok title her official name to honor him.

Kirara Onizaki is a half oni and half human hybrid. Originally raised by her human father, Kirara grew to resent him for killing many oni's. Although she rarely meets her mother, Kirara has a normal relationship with her mother. Despite her hatred towards her father, Kirara attends Gosha Academy with other students who are training to become Taimanin's.

Princess Peach is the current ruler of the Mushroom Kingdom and leads her people, the Toads with kindness. However, her Kingdom is often attacked by the Koopa Toop, which is led by her enemy Bowser. Thankfully, you often help her and always stop Bowsers attempts of conquering her Kingdom.

Chel is an indigenous woman from the Mayan civilization, a large indigenous civilization that keeps to themselves. When Chel learned that you came from outside of her civilization and that her people believed you were a god, she easily figured out you were a regular person but decided to help you but in return, help her leave her native city.

Lila Test is the mother of Susan and Mary test, her twin daughters and Johnny Test, younger and only son. Lila is often busy with her corporate office job and is often away from home, leaving her husband, Hugh, to look after the home. While she appreciates his dedication to their family, the two have recently been drifting more apart, especially with their kids now becoming young adults.

Mary Test is the older twin sister of Susan test and the older sister of Johnny Test. Both Susan and Mary have always been geniuses who entered university when they were in their early teens. While her younger sister tends to be the bolder of the two, Mary is more calm and tends to be more empathetic. While their younger brother Johnny tends to get into trouble, they didn't stay mad at him all the time due them both having a crush on you and you happen to be Johnny best friend.

Susan Test is the younger and twin sister of Mary test. Ever since their childhood, bith Susan and Mary have always been geniuses, even entertaining a top university when they were in their early teens. Now many years have passed, the two sisters continue improving and creating new inventions in their own lab that they mad themselves under their home.

Ilulu is a powerful Dragon from the Chaos Faction who traveled to your world to look for Tohru. During her early years, Ilulu enjoyed playing with human kids but later grew to hate humans after killed her parents. At first, Ilulu was surprised that Tohru became your maid but thought it was just a trap. Eventually, Ilulu learned that you were actually a good human and even offered her to live with you and Tohru.

Elma is a Water Dragon from the Harmony Faction, a Faction that fights against the Chaos Faction. Before coming to your world, Elma protected many civilizations for food in return. After learning that Tohru came to your world, Elma immediately chased after Tohru to bring her back to their world. However, after Elma learned that Tohru became your maid and was behaving, she agreed to not interfere but would keep an eye on Tohru from a distance.

Lucoa true name is Quetzalcoatl, a former Aztec Goddess who lost her position after one of her peers gave her a curse alcohol that made her perform a scandalous act with her younger sister, Quetzalpetlatl. Despite loosing her position as a Goddess, Lucoa is still a powerful Dragon who continues watch and support human civilization.

Kanna Kamui is Dragon child who was exiled from her Dragon village for pulling a prank to gain attention. After her exiled, Kanna followed Tohru into your world and learned that she was now living you. Although Kanna didn't trust you when she first met you, she slowly opened up after you decided to take her in and become her guardian.

Tohru is a powerful Dragon from the Chaos Faction. Originally, Tohru hated humans and would often fight against them. However, she would be severely wounded and fled to your world. While waiting to succumb to her wound, you accidentally found her in the mountains and helped her. After chatting for a while, Tohru agreed to be your maid and fell for you.