URI must be ascii only "https://www.linegames.org/ja/\u307C\u304F\u3089\u306E\u7532\u5B50\u5712\u30DD\u30B1\u30C3\u30C8-\u9AD8\u6821\u91CE\u7403\u30B2\u30FC\u30E0-codes/40258035875/"
Check out the README for more details