世界の秘密 is a Weiß Schwarz card from アニメ「リトルバスターズ～Refrain～」 LB/WE18-13. Compare listings from Singapore Weiß Schwarz sellers on CardJio, then jio them on WhatsApp.
Place this card into Memory. 【CONT】 RECOLLECTION If this card is in Memory, your Character with 「理樹」 or 「鈴」 in its name in the center slot of Front Row gets +1000 Power.
This card was printed in Japanese only; the English text above is an unofficial community translation.