echo 'digraph {

"Lust Snake" -> "Otoya Sonobe" [taillabel = "Half-Human form of"]
"Manako Sonobe" -> "Otoya Sonobe" [taillabel = "Brother of"]
"Otoya Sonobe" -> "Manako Sonobe" [taillabel = "Sister of"]
}' | dot -Tsvg > output.svg