約束のペンダント
Promised Pendant is a Weiß Schwarz card from ニセコイ NK/W30-046. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
If you do not have a 《Key》 character, this card cannot be played from hand. Choose one of your characters, and that character gets +3500 power until end of your opponent's next turn. Put this card into your memory.