Actually, yes. If you don't insert innuendos, you don't have male auditory. And without any, there is just your ordinary siblings relationship. I like it for its realism.
I would like to write down again all things that I liked in the chapter, but there's too many of them. Just a few things:
Their neko-versions on the fields, I so much like them!!!! Kyaaaaa!!!!
Mom's dress, oh I like it.
Aaaand...go for him, megane-chan!!!
About the uncleaned panel, I prefer it how you did on last page. You can keep going like that, especially if original is of light grey color.
@justforthelulz he said it right, you never fail to disappoint