echo 'digraph {

"Takako Suminoe" -> "Runa Houraisen" [taillabel = "Lover of"]
"Takako Suminoe" -> "Runa Houraisen" [taillabel = "Student of"]
"Rena Houraisen" -> "Runa Houraisen" [taillabel = "Younger Sister of"]
"Runa Houraisen" -> "Takako Suminoe" [taillabel = "Lover of"]
"Runa Houraisen" -> "Takako Suminoe" [taillabel = "Teacher of"]
"Rena Houraisen" -> "Takako Suminoe" [taillabel = "Former crush of"]
"Runa Houraisen" -> "Rena Houraisen" [taillabel = "Younger Sister of"]
"Takako Suminoe" -> "Rena Houraisen" [taillabel = "Friend of#"]
}' | dot -Tsvg > output.svg