Four divine ladies together with their kin— Nepgear, Uni, Rom, and Ram—arrive at a renowned alpine spa in Lastation Kingdom to recapture that wistful 'summer holiday' vibe. Yet their plan to unwind in a mineral pool is halted when the junior sisters are drawn through a mysterious gateway into an alternate realm! The apparently bleak event turns humorous as they encounter a familiar, friendly figure in this surreal setting.
