内緒の旅行 由美子 is a Weiß Schwarz card from グリザイアの果実 Vol.2 GRI/S84-113. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
【CONT】 All your other 《グリザイア》 Character gets ＋500 Power. 【ACT】 ［REST this card］ Choose 1 of your 《グリザイア》 Character, until end of opponent's next turn, it gains the following Ability.『【CONT】 During opponent's turn, this card gets ＋1000 Power.』
This card was printed in Japanese only; the English text above is an unofficial community translation.