I put it in an OPP bag immediately after opening it and stored it in a dark place! Instant purchase ○ ⌇ Not for sale individually ✕ ꒰ Contents ꒱ Die-cut sticker I am also selling other Dr. STONE merchandise! ꒰ Search terms ꒱ Dr. STONE Dr. Stone Dokuto 100-yen shop Die-cut sticker Seal Secret Xeno Houston Wingfield Stanley Snyder