echo 'digraph {

"Atsuto Hibiki" -> "Otoha Hibiki" [taillabel = "Older sister of"]
"Ayuka Hibiki" -> "Otoha Hibiki" [taillabel = "Older sister of"]
"Ayuka Hibiki" -> "Atsuto Hibiki" [taillabel = "Brother of"]
}' | dot -Tsvg > output.svg