Seventeen-year-old Ryouma Shinohara has already decided, tonight, he disappears. There’s no single reason, no dramatic tragedy, just a slow erosion of something he can’t name. A quiet unraveling that’s left him standing on the edge of an apartment rooftop, staring down at the city that never once looked back at him.

But before he can step forward, a voice calls his name.

Fuyuto Shinohara, his fifteen-year-old brother, is crying. Pleading. Begging him to stay.

What follows isn’t salvation. It isn’t some miracle that makes life worth living again. Just two brothers, moving through the city, retracing old paths, speaking words they never said before. Talking. Arguing. Holding on. Letting go.

But the night can’t last forever.

And in the end, all roads lead back to the rooftop.