echo 'digraph {

"Tenma Tsukamoto" -> "Yakumo Tsukamoto" [taillabel = "Younger Sister of"]
"Akira Takano" -> "Tenma Tsukamoto" [taillabel = "Friend of#"]
"Ooji Karasuma" -> "Tenma Tsukamoto" [taillabel = "In love with"]
"Yakumo Tsukamoto" -> "Tenma Tsukamoto" [taillabel = "Older Sister of"]
}' | dot -Tsvg > output.svg