echo 'digraph {

"Yuuto Toudou" -> "Erika Toudou" [taillabel = "Step-sister of"]
"Sayaka Ichinose" -> "Erika Toudou" [taillabel = "rival of"]
"Yuuto Toudou" -> "Sayaka Ichinose" [taillabel = "In love with"]
"Erika Toudou" -> "Yuuto Toudou" [taillabel = "Step-brother of"]
"Sayaka Ichinose" -> "Yuuto Toudou" [taillabel = "In love with"]
}' | dot -Tsvg > output.svg