echo 'digraph {

"Shin Tougou" -> "Saki Kashima" [taillabel = "Teacher of"]
"Miku Misaki" -> "Saki Kashima" [taillabel = "Teacher of"]
"Miku Misaki" -> "Shin Tougou" [taillabel = "Childhood friend of"]
"Miku Misaki" -> "Shin Tougou" [taillabel = "Classmate of"]
"Shin Tougou" -> "Miku Misaki" [taillabel = "Childhood friend of"]
"Shin Tougou" -> "Miku Misaki" [taillabel = "Classmate of"]
}' | dot -Tsvg > output.svg