Exchange list:

• PP-19: Nova Medal x400
• KSVK: Nova Medal x400
• Webley: Platinum Medal x500
• OTs-14: Platinum Medal x500
• VP1915: Platinum Medal x500
• Strawberry Custard Cheesecake (200 in stock): either medal x5

Rules:

• Obtained upon scoring an S-rank victory on maps with 4/5-star limited drop T-Dolls.
• Obtained upon defeating an enemy that has a 4/5-star limited drop with an S-rank victory.
• In normal stages:
  • 1 Nova Medal for every 4-star limited drop.
  • 1 Platinum Medal for every 5-star limited drop.
• In EX/UX stages:
  • 2 Nova Medal for every 4-star limited drop.
  • 2 Platinum Medal for every 5-star limited drop.
• In scoring stages:
  • 1 Nova Medal for every 4-star limited drop.
  • 1 Platinum Medal for every 5-star limited drop.
• There's no limit to the number of medals you can earn.
• Exchange:
  • 400 Nova Medals for 1 limited 4-star T-Doll.
  • 500 Platinum Medals for 1 limited 5-star T-Doll.
  • Each T-Doll can only be exchanged once.