echo 'digraph {

"Ikuto Sarashina" -> "Naoya Shirokawa" [taillabel = "Idiot Trio-no.1"]
"Ryuunosuke Kurosaki" -> "Naoya Shirokawa" [taillabel = "Idiot Trio-no.1"]
"Ikuto Sarashina" -> "Ryuunosuke Kurosaki" [taillabel = "Idiot Trio-no.3"]
"Naoya Shirokawa" -> "Ryuunosuke Kurosaki" [taillabel = "Idiot Trio-no.3"]
}' | dot -Tsvg > output.svg