Pretty sure some dialogue is in the wrong speech bubbles in the first panel of page 6. "She too excelled in everything she did" and "she's talking about the past all of a sudden..." appear to be swapped.
Shio unknowingly marking her territory in front of her class. Chad move.
Also, I am glad Otome is being a decent human being. I want her to find her own woman.
Thanks for the chapter.
Why are mangakas always going into ridiculous extremes? No person becomes obsessively attached to their sister or to a stranger because of something they said when they were seven. That only happens in the normaltrash fantasies of mangakas.