- "I'll do anything to get what I want. You'll only fall behind if you care too much about money or fame. I've learned this from the old regime. I'll use what I've learned to take down the Gearsmith the next time we meet!"
- — Quicksilver Marcy
She is the sole survivor of the old regime destroyed by the Gearsmith. She hid her identity and joined a treasure hunting team. Her plan is to snatch the treasure, the Acheron Tome from the Gearsmith and restore the old regime.
Invite 30 people with your friend invite code. They all must at least complete the tutorial.
- Watermelon Rescue during the Watermelon Party Event
|Voice actor (J)||林沙織|
|Voice actor (E)||Saori Hayashi|