echo 'digraph {

"Karin" -> "Itsuki Takayama" [taillabel = "Substitute Father of"]
"Natsuki Takayama" -> "Itsuki Takayama" [taillabel = "Younger Brother of "]
"Itsuki Takayama" -> "Karin" [taillabel = "Substitute son of"]
"Natsuki Takayama" -> "Karin" [taillabel = "Substitute son of"]
"Karin" -> "Natsuki Takayama" [taillabel = "Caretaker of"]
"Itsuki Takayama" -> "Natsuki Takayama" [taillabel = "Older sister of"]
}' | dot -Tsvg > output.svg