荒野行動　無料ガチャ

means “Free Gacha in Knives Out” in Japanese. “荒野行動” (kouya koudou) translates to “Wilderness Action,” which is the Japanese title for the popular mobile game “Knives Out.” “無料” (muryou) means “free,” and “ガチャ” (gacha) refers to the gacha system in the game where players can spend in-game currency to receive random items or characters. Therefore, “荒野行動無料ガチャ” refers to the free gacha feature in Knives Out.