謎の人物？ 高木社長 is a Weiß Schwarz card from アニメ「アイドルマスター」 IM/S21-057. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 All your other 《音楽》 Characters gain the following ability.『【AUTO】 ［①］When this card's battle opponent with Level 2 or higher becomes REVERSE, you may pay the cost. If you did, choose 1 Character from your Waiting Room, return it to Hand.
This card was printed in Japanese only; the English text above is an unofficial community translation.