In a futuristic world where Virtual Reality dominates, Mitsuki Kou is drawn into his father's groundbreaking VRMMORPG, 'Destiny Unchain Online.' Unexpectedly transformed into a vampire girl within the game, Kou must adapt to this new reality. Stranded in a secluded forest, he embraces the challenge, perfecting his abilities, establishing a guild, and adopting the persona of the enigmatic 'Scarlet Demon Lord.' As Kou's virtual fame escalates through his eccentric streaming antics, the boundary between his digital and physical existence blurs. How will Kou's prolonged virtual escapade affect his real-world self?