Launch Anime Unlimited in Roblox. Go to the Codes NPC in the lobby and press E. Input a working code in the text box and click Redeem to receive your rewards. Repeat for all active codes.

There aren't too many active codes for Roblox Miraculous RP, but one of them provides players with a chance at Unlimited Coins if it is used multiple times.

Rap Battle experience featuring Brazilian artist Victor Massaki inside Roblox In “Subway Rap Battles ft. Massaki”, players will face intense freestyle battles and develop their improvisation ...