This is a world where Kiritsugu failed to find his salvation in Shirou. A world where Shirou became the Black Mud. A world where Shirou met the sisters of Sky Blue. (Shirou adopted by Aozaki sisters, Demi-Angra Mainyu Shirou, Dark Kiritsugu with Avalon)
Tokiomi meets Touko. They get in trouble in China. They find comfort in each other. Tokiomi discovers how insane Touko actually is. Tokiomi goes home. Years pass. Touko visits accompanied by a kid. Oh boy...
Being whisked away into a fictional universe that you're familiar with, granted some pretty nifty powers to help out along the ride? Great! Finding yourself stuck in a three-way between conflicting universes that all seem to hate each other and anything resembling weakness? Not so great. Oh well, Cayman always knew he was a bit of an outlier, this just confirmed the trend.
"Existe una red que cuelga desde el cielo y se extiende por el infinito. Una red que en cada ojo cuenta con una joya colgante que a través de su pulida superficie, refleja otra y otra. Con cada decisión que se toma, un nuevo color se pinta sobre el Caleidoscopio. Y con billones de esta, un numero infinito de mundos aparecen. Mundos infinitos, bajo el dominio del Destino."
The schism between the Aozaki sisters was infamous within the moonlit world, even if it had lessened over the years. But, what would happen should they put aside their differences for just one second, as another Aozaki was born into this world? This is her story. The story of the Colorful Child, as she takes a step within Chaldea to live a life her mother could not.