KONOSUBA – God's blessing on this wonderful world! Legend of Crimson

Original: 映画 この素晴らしい世界に祝福を！紅伝説

After receiving a warning that Yunyun's hometown is in danger, Kazuma's party is relieved to discover it's only a joke...until it isn't. The Demon King's general has just arrived to obtain The Mage Killer, a weapon with world-ending power.