The story of two small-town high school boys and best friends, both striving to escape from their suffocating lives in the close-minded hamlet.

From Lovely Strange Dark: Kei and Mizuki's quiet lives together in the countryside are shattered when Mizuki collapses and a parasitic plant-like organism is discovered spreading its roots through her body, leeching away her life. How will Kei and Mizuki spend their last days together?