echo 'digraph {

"Ichika Nakano" -> "Miku Nakano" [taillabel = "Sister of"]
"Nino Nakano" -> "Miku Nakano" [taillabel = "Sister of"]
"Yotsuba Nakano" -> "Miku Nakano" [taillabel = "Sister of"]
"Itsuki Nakano" -> "Miku Nakano" [taillabel = "Sister of"]
"Nino Nakano" -> "Ichika Nakano" [taillabel = "Sister of"]
"Miku Nakano" -> "Ichika Nakano" [taillabel = "Sister of"]
"Yotsuba Nakano" -> "Ichika Nakano" [taillabel = "Sister of"]
"Itsuki Nakano" -> "Ichika Nakano" [taillabel = "Sister of"]
"Ichika Nakano" -> "Itsuki Nakano" [taillabel = "Sister of"]
"Nino Nakano" -> "Itsuki Nakano" [taillabel = "Sister of"]
"Miku Nakano" -> "Itsuki Nakano" [taillabel = "Sister of"]
"Yotsuba Nakano" -> "Itsuki Nakano" [taillabel = "Sister of"]
"Ichika Nakano" -> "Nino Nakano" [taillabel = "Sister of"]
"Yotsuba Nakano" -> "Nino Nakano" [taillabel = "Sister of"]
"Miku Nakano" -> "Nino Nakano" [taillabel = "Sister of"]
"Itsuki Nakano" -> "Nino Nakano" [taillabel = "Sister of"]
"Ichika Nakano" -> "Yotsuba Nakano" [taillabel = "Sister of"]
"Itsuki Nakano" -> "Yotsuba Nakano" [taillabel = "Sister of"]
"Miku Nakano" -> "Yotsuba Nakano" [taillabel = "Sister of"]
"Nino Nakano" -> "Yotsuba Nakano" [taillabel = "Sister of"]
}' | dot -Tsvg > output.svg