Trick question kid, 'it's all of the above'."Which option is the right one...?" (Page 2)
To me, her "at home" personality feels less natural than her school personality. Like, as if she feels she needs to seduce her little brother before their parents break up (again).Hmm... I wonder if she's never really been able to 'reveal' herself because of the pressures of society like LoliCatFox said, but... Maybe she never really quite had a person she was close to aside from her parents? Surely her mom knows about this side of her as well... Him being a 'brother' is a pretty significant thing for her, it seems. Like 'a person I don't need to hide from'...