Miko Yotsuya, once immersed in the bliss of ordinary high school life, is now burdened with a chilling secret: invisible monsters coexist with humanity, visible only to her. Determined to shield her loved ones from these malevolent beings, Miko bravely chooses to ignore their presence despite their unsettling actions. While she strives to maintain a facade of normalcy, the monsters' impact on those around her, including her vivacious best friend Hana Yurikawa, remains palpable. Through tears and trepidation, Miko navigates the complexities of school life, steadfast in her resolve to shield others from the monsters' disruptive influence.