Spoilers & re-cap for those who are lazy like me. (Some answers)

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Ok so this is a reoccurring thing that I've seen at the end of chapter 61 in different sites people are confused of the person at the last panel, to clarify that. The person at the end is Aria's biological father. I'm not entirely sure what is the blood connection that he has with the imperial family, but from spoilers and other comments of those who've read the novel, it shows that Aria is in fact not blood-related to Asher. So there is no incest. (Thankfully, so we don't have another brother being slimy with our Aria :D)

As for Mielle (or however you spell that bi***es name), she pushes her father down the stairs and blames it on Aria while this entire situation is happening Mielle was actually having a sleepover with some people who became witnesses and blamed the accident on Aria. The bracelet on Aria's wrist that Asher gave her, breaks and (apparently) teleports her to him. I'm not entirely sure of how the bracelet breaks and where Asher is so, if you do know please correct me if I'm wrong.

Now onto the re-cap of the characters that we know atm;
(It's pretty long so, skim through if you don't want to read it all!)

Aria's Mother (Carin Roscente);
She is a beautiful lady who married the Count (Aria's step-father) after her lover (Aria's bio father) left her for an unknown reason. In Aria's past life she didn't show much interest in the children of the household as she wasn't concerned for the Count and the maids would take care of them. In the current life that Aria is living, she shows that she is more concerned for Aria than before, realising that she wants to protect her daughter no matter what. She's been told and rumored to be a prostitute who had seduced the Count, which is untrue. A theory of mine is that Mielle had Emma spread these rumors around because it'll bring her reputation down, making it harder for people to believe her if she got entangled in Mielle's plans.

The Count (Can't remember);
He is a very wealthy man who lost his wife to death, and brought in another woman who looked just like her, he didn't care that she had a daughter instead just wanted to have another woman due to his grief of losing his first wife. After re-marrying Aria's mother, he didn't pay much attention to his step-daughter rather, to his biological daughter and son due to his love for them being greater. But didn't treat Aria poorly. After Aria's death (when she goes back in time after her death) he finds out in the later chapters how smart Aria was, and looked to her for advice in his business. Instead of praising Aria he gives all the praise to his biological daughter Mielle saying that she was the one who came up with all of these ideas. In the recently uploaded chapters he finds an opportunity to get closer with Aria due to her being investor A and being close to the crown prince (Asher).

Mielle Roscenete;
This bi**h is the reason for Aria's death in her past life. She despises Aria for tainting the family name, as she was from a low statues family, which therefore starts of her path to create Aria into the "perfect villainess". Mielle and her maid Emma constantly put surveillance around Aria, and used the information that they got to put her in situations where she was the one to blame. She also gave orders to certain maids that were planted near Aria, to give Aria ideas such as; poisoning Mielle, throwing fits, using a f**k ton of money, act as she pleases because she is the top of the household. Which makes Mielle the "saintess" of the family, and Aria the "disgusting villainess" who bullies and harms Mielle. In the end where Aria get beheaded by her brother Mielle tells Aria the truth, that she was a pawn to her game, that she set everything up, that she killed the countess (Aria's mother).

Aria Roscenete;
Our lovely Aria who is strong and intelligent, died in her first life foolishly. Due to her sister Mielle's plans, which not only gave her the perfect villainess personality, but drove her to be the worst person that a human being could encounter. When Aria gets beheaded she goes back in time to when she was younger (12 years old), with the memories of her past life. Not only did this put her at an advantage this allowed her to get back at Mielle and take everything that she wanted. Aria at the moment is in love with the crown prince (Asterope) who was engaged to Lady Isis (Oscar's older sister). She continues to use the people around her as she grows up, but slowly opens up the idea of being friendly while getting her revenge on the Roscenete family (apart from her mother).

Cain Roscenete;
He was the one who beheaded Aria in her past life, and sided with Mielle in the past and now in Aria's current life. Cain is exactly the same as the Count who constantly looks out for opportunities that allow him to get to a higher stand point, he also tries to comfort Mielle whenever Aria puts her down or blames something on her until the recent chapters. Now he sides with Aria as he only looks after her due to the beauty that she is, and doesn't plan to let her marry Asterope the crown prince, as he wants to have Aria for himself. Yes, this is incsest which is absolutly disgusting in my opinion.

Sarah Loren;
Aria's lovely teacher who helped her with etiquette and embroidery, Sarah has always been used by Aria but constantly loved her for the adorable side Aria showed her. Sarah fell in love with the Marquise who now is engaged to her, this plays a big part in Aria's reputation, as it shows how lovely Aria is and that she has many connections. She not only loves Aria, but she cherishes her as if she were her own daughter. Which in the current chapters has allowed Sarah to realize the true colors of Mielle, after noticing the rudeness and slightly discrimination she has for Aria.

Oscar Fredrick;
The fiance of Mielle Roscenete, who is known for being kind, handsome, and honest. Aria approached him in the first place to take him away from Mielle, as she loved Oscar and wanted to be with him no matter what. As Aria constantly met with Oscar "coincidently", he started to fall in love with her out of pity, as he noticed that she was constantly being left out and had horrible rumors around her. Currently he is doing his best to keep his promise of being close with Mielle, only to keep the peace between the Roscenete family and the Fredrick family for Aria to have some peace. He constantly has Aria's safety, and peace in his mind, as he never makes a rash decision that would harm her in any shape or form.

Isis Fredrick;
Oscar's older sister who constantly pulls strings behind everyone's backs, chose to engage her younger brother to the youngest daughter of the Roscenete family due to their influence and wealth that will help her in the future. She was to be the wife of Asterope the crown prince because of the influence she had over the aristocrat fraction, due to her authority she was able to manipulate the situation into her hand before Aria popped into the picture. Isis is currently going to marry into a kingdom of another land, which will cause a massive change in society for the crown prince and might bring him down slightly due to the aristocrat party always siding with Isis.

Asterope Franz;
The crown prince of the kingdom and part of the Imperial fraction, he is a strong noble who doesn't look down on the people, rather wants to give everyone a chance. He met Aria in the first couple of chapters, but he mistakingly thought that she was Mielle, but didn't mind that. Rather he constantly looked for Aria due to his gut feeling that she was something more, and slowly started to fall for her beauty and intelligence. When Asterope found out that Aria wasn't Mielle, he immediately regretted his actions and wanted to make it up to her by constantly sending her letters and flowers as his sign of affection and interest. In the current chapters he asked to have permission to court Aria, which led to the Roscenete family meeting the crown prince as Aria's lover.

^_+If you have made it this far, well done! I hope that my re-cap of characters and spoilers and somewhat answer helped you. Have a lovely day ヾ(❀╹◡╹)ﾉ~+_^