D2:multiple

code:multiple.d2

direction: right

x -> y: hi

x.style.multiple: true

https://d2.lucas.tools/?script=SsksSk0uyczPs1IoykzPKOGqUNC1U6i0UsjI5KrQKy6pzEnVyy3NKcksyEm1UigpKk3lAgQAAP__&#.svg