Demon Lord Qaron had defeated the Sundista Kingdom in his war of conquest. While the Queen, with her valuable time-reversal skill, remained missing, Sundista's most powerful mage Shalith was captured and locked deep inside the dungeons. Despite their losses, those loyal to the Kingdom have not yet given up hope. Among the resistance, there is one individual whose name alone strikes fear in every demon and monster: Shunral the Silver Wolf. This elven assassin, known for eliminating countless demons and monsters, is now determined to infiltrate the Demon Lord's castle, assassinate Lord Qaron, and bring an end to their subjugation!​