お母さんか!
Are you my mom?! is a Union Arena card from THE IDOLM@STER Gakuen Vol.2 EX13BT/GIM-2-067. Compare listings from Singapore Union Arena sellers on CardJio, then jio them on WhatsApp.
Choose up to two of your AP cards and switch them to active.
选择我方的最多2张AP卡牌,转为活跃状态。