[Automatic ability] [Stock 1] When this card attacks, if "Birthday 2021 Hayasaka Kehei" is in the CX area, you may pay the cost. Then, choose one of your other characters and this card, and give them the following ability for that turn. "[Automatic ability] When this card's battle opponent becomes [Reverse], you may choose 1 character in your waiting room and return it to your hand. ”