密室でふたりきり is a Weiß Schwarz card from ロボティクス・ノーツ RN/W16-071. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Choose 1 《科学》 Character from your Waiting Room, return it to Hand. Choose 1 of your Characters, during this turn, it gets +1000 Power. Place this card into Memory.
This card was printed in Japanese only; the English text above is an unofficial community translation.