In a gesture of appreciation towards the protagonists of '.hack//Sign' and the '.hack' game series, Helba orchestrates a unique gathering at the recently unveiled 'Twilight Hot Springs'. Here, characters can unwind and rejuvenate in the soothing waters, yet a puzzling challenge emerges: the springs are concealed, amidst unsettling player deaths. With the cryptic clue 'GIFT' as their sole lead, a thrilling quest ensues to unmask the perpetrator and unveil the secret oasis.