Remove toxic feelings? Pitou asked as she follows him out. She wiped her eyes to get the tears away and take a close look at the sign.

She looked around the emptiness of the lobby. Feeling a similar eeriness as Killua. As if it was a semblance of her own mind. Empty and blank.

If what you’re saying is right..it may not go off one defined meaning. Perhaps what we lost..is something we hated? Something we didn’t want to think about?