Don't Call Me Sister

The novel is already finished but there's no translated version for it. You can check on my post for the links of the novel raws, if you're interested. 

She is not. 

Till now thia guy is fine

I was surprised initially as well

Guess I read too many grey manhwas

Sweats...
 

Is the Merrick guy the ML?  

Actually it turns out that the prince's grandmother told him that zabot was a perfect match for him when he was a kid making him think that they're meant to be together . The reason why the grandmother noticed zabot was because of her mother. She had something to do with it.
So she visited the prince because she wanted to get all of them A level invitation to the ball because only she got one and her sister's invitation is a lower lvl than hers and cindrella's even lower. But that guy said he don't have the power to . And something like she's meaning to be with him and the childhood story about his grandmother telling him of her. Then she said she has a fiancee. He was all like I will not give up on you. And he said only the queen has right to give A lvl invitation now or invitations left to give. So the queen is having a tea party or ball or something like that so to impress her she made her sisters study and took them to practice with Merrick and his nephew. Btw something's going on btw the nephew and Cinderella... First time they danced she was all blushing but the nephew told everyone he's a duke during dinner then a few days later or perhaps the next day she was all cold and talking only in aristocratic etiquette and that day when they were practicing she slapped him. Idk what going on between them but this is all that I know for now.

Aside from that there was a talk between Merrick's nephew and mc . Like the kinda take a family member will give to a girlfriend/boyfriend. We also get to know ML's past that he was forced to enter the Gladiator (fighting arena) and fight a nephew of his and ending up accidently killing him. This became a huge scar for the ML. 

Ch1-8 manhwa I found this ;D
Spoiler: Rawhttps://mangalek.com/manga/dont-call-me-sister/8_1/
The relationship progressed so fast that I suspect the ML 

Peeking at manhwa raws up to ch 39 with google translate... Spoiler: Damn this story is Cinderella on crackMother is a shapeshifting witch who impersonates Cinciarell and tries to get Prince Andreas to marry herMother made Wishful asleep with apple then steal the invitation
Javotte and real Cinciarell go to the ball to stop her, got turned down at the entrance, but Melick's butler and Prince Kyle help them in
Mother cries and accuses Javotte of bringing a fake, crowd believes her because of rumors of Cinciarell being mistreatedA Guzzi employee comes just in time to the ball, delivering Wishful and Cinciarell's shoes, Javotte told the Cinciarells to try on the designer glass shoesMother's foot doesn't fit of course so she accuses Javotte of arranging it to fool people, Guzzi guy is offended because the most prestigious designer won't do such thing, thank you very muchWitch is arrested, she screams that Andreas must fulfil his promise to marry her before midnight. The clock struck 12, witch turns into her real form.... who is actually Duchess Lilith, the Queen's missing grandmotherAndreas wants to confess to Cin but she stops him out of embarassment, also she wants to go home and take care of WishfulInstead of going home the Lady from their childhood area appears and asks Javotte to dance with her, she calls the Lady her Fairy GodmotherJavotte is pregnant? Melick otw in a carriage (to the ball? with sleeping Wishful?)idek what's even going on
won't be surprised if Wishful will wake up with a kiss from her fiance later 

I don't know but I speculate that it could be the mother. She is extremely suspicious. 

When ML first left after summer it felt like I was reading I Dreamed a Dream
The mother gives off weird vibe! Why doesn't she want her daughters to be well-read? Right now it feels like she just wants them to be gullible and stupid so she can sell them off to anyone random.
I like that I can't guess who Merrick is, I don't want to know about truths the protagonists don't know.

Yes, they call her this like we would call people who likes sleeping, sleeping beauty, or white skinned short-dark-haired innocent animal hugger, snow white. There are more than one prince (cinderella original story) and there are PLENTY of servants in the mansion despite them being bankrupt. 

Can we get some clarification on what people mean with the MC abusing Cinderella?

MC is annoyed by Cinderella’s nievete and general helplessness, but there’s no sign of her being malicious.  She does try to look out for Cinderella at the ball and keep the creeps away from her.

MC doesn’t argue with her mom about taking Cinderella’s necklace, but that’s directly after it’s made clear that the MC doesn’t have any power to go against her mom until her birthday.  She cut the conversation off before her mom could get worked up into doing something petty to Cinderella.  And later she DOES get the necklace back for her, getting the other sis a similar necklace with a yellow gem so she wouldn’t make a fuss about the pink one.  So basically she’s just working more subtly rather than butting heads with her mom directly when it probably wouldn’t do any good.
If MC acts against stepsis in the future please tell me, as I’m just skimming the raws without being able to translate.

I kinda like that the MC isn’t a innocent, too good to be true heroine.  She’s enjoying the fruits of her mom’s gold digging, she’s got something of a harsh personality whose easily irritated by people, and she’s a little shallow with her love of fine clothes and being nobility.  But that doesn’t make her evil.  She’s concerned for both sisters, and she’s fully aware that her mother isn’t a good person.  It’s just that she seems to be focusing on subtly managing the woman and biding her time until she’s got the legal ability and power to go against her. 

That's my impression too, that she's the Duchess and also Javotte's mom by fake name, who is a witch. But we'll see after it's translated.

Also
Spoiler: manhwa ch 40Remember when I say "won't be surprised if Wishful will wake up with a kiss from her fiance later"? Well it really happened. But I'm not gonna say how because it's funny  

Well, the manhwa is still going. But at this point the raws, they are married and have 3 children I believe. 2 boys and 1 girl. The boys have white hair like their mother and the girl (she's the middle child from the way it looks) she looks just like her dad