That Mask, Only I Know.

At Shiranei Academy, a sealed-away school for girls shrouded in rainy-season fog, Saeki Himari wears a mask of cheerful normalcy. The class mood-maker, always smiling, always bright—the girl everyone trusts, the girl no one worries about. But beneath that mask lies a secret she can't even admit to herself: she can't fall in love with boys. And the quiet, beautiful girl who sits beside her—Shinonome Mio, with her ink-black hair and distant, unreadable eyes—has slowly, silently taken root in her