@AbyssalMonkey I did read the end notes yes. They didnt touch on any of the things I mentioned.
The sister part wasnt mentioned in notes, but I thought it was pretty obvious it wasnt in the adoption sense. But I still dont get why she would become her "onee-san" though. She was offering lodging, the mc should still have been the one responsible for the girl (or left her fending for her own). The way he just hoists more responsibility on her as a role-model or someone to ask for help, just because she offered lodging anyway, is what I am confused by. Would make more sense to call her the landlord (a much more acquaintance-like title) instead of being so presumptuous.
You are misunderstanding the part about healing too. What I said is that from the conversation and context, it makes no sense for the character to be so full of herself to think she was the one referred to as healing him. Like I said, the conversations are disjointed, with characters answering as if they presume stuff they dont have knowledge of (which is why I called her a second mind reader there, as in this specific case her presumption happens to be correct, which I know from meta-knowledge by being a reader and not a character), and other such things. Making for a very odd and sometimes confusing read.
As I see that you prefer aggressive name calling in your discourse, I will quote you and use as a response to you, to ensure you remain satisfied by my comment: Stop being ignorant and blaming ... for issues ... all because you ignored what ... said.
Although honestly I dont really feel so hostile towards you, I can see why you might make those misunderstandings if you skim what I had written a bit too fast, or presume unstated information (such as thinking I hadnt read the note).