echo 'digraph {

"Moegi Inou" -> "Asagi Inou" [taillabel = "Sister of"]
"Tomaru Sawagoe" -> "Asagi Inou" [taillabel = "Half-sister of"]
"Tomaru Sawagoe" -> "Moegi Inou" [taillabel = "Half-Sister of"]
"Asagi Inou" -> "Moegi Inou" [taillabel = "Sister of"]
"Asagi Inou" -> "Tomaru Sawagoe" [taillabel = "Half-brother of"]
"Moegi Inou" -> "Tomaru Sawagoe" [taillabel = "Half-brother of"]
}' | dot -Tsvg > output.svg