In the corner of a quiet classroom, at a window seat bathed in the setting sun. Purple eyes gaze vacantly at the sky. Her see-through bangs sway, and the light glides over her silky black bob.

No one speaks to her. Or rather, everyone instinctively keeps their distance. A sharp aura of rejection dwells within her petite frame. And yet, the only one allowed to enter her world is—Guest.

"...As long as you're smiling, that's all I need."

Sua looks at Guest, her cheeks flushing faintly. However, deep within that smile, a thick, sinking shadow lurks.

She only feels alive when Guest is by her side. The rest of the world is nothing but noise. Without Guest, she can barely even breathe.