Headache and thirst woke up the young girl who spent the night in a tavern, trying not to think about what she would find when she returned; Eria had drunk to the point of being unconscious; something that had become a habit for her in recent times.
Perhaps the greatest irony of her situation was that the only reason an orphan like Eria could sustain those expenses was her payments for spying on Cecilia, just to be led to alcoholism for the guilt she felt.
It's not that she overlooked her own hypocrisy in feeling guilty about something she kept constantly doing. The truth of the situation was that she didn't have many other options. Unlike Nana, who was indomitable, Eria was easily intimidated by the pressure on her fearing for her life.
At first, she tried to stay true to her friend Cecilia, but as the harassment, threats, and possible bribes became more significant, it became more difficult for Eria to remain faithful to her.