Fishy.

... i think u dont understand them thats why u have that feeling if i wrong what ur uneasy feeling start with??

They're weird or maybe I read too many manga's with people being a two faced bitch that's why I don't trust anyone.

...a quick question that family what are is there problem before they have HIRA with them? i think that will understand them a little bit. so dont think they have two faces XD

and two faces people can be detect in there sourounding like people close to them or the author in this manga show they real them . if the author dont do that the people that reading this might be in confused soo that family u speak off is not

They lost a daughter sure, but adopting someone who looks like their daughter is messed up. They're very abusive too, slapping your son just because of a candy? They lack on parenting skills too, look at their sons they want their parents attention but they're not giving it to them. The mom gave her a candy and suddenly the older brother wants to get the candy so bad. Why? I don't believe that the only reason is his little sister likes the candy. The death of the little sister never mentioned too. So it's very weird in so many levels.

I read some spoilers that saying that the candy is a drug so

They're very weird and I can definitely sense that they're not very nice. You should read some more stories like this so you'll understand what I mean.