sequenceDiagram
actor b as Buyer
participant y1 as Yakushyo
participant r as Rikunkyoku
participant y2 as Yakushyo
actor s as Seller
b ->> s: Give Car + "Shaken"
s ->> b: Give Money
s ->> y2: Get Inkanshomei(Seller)
s ->> s: Write "Jotoshomei"
s ->> s: Write "Ininjo"
s ->> s: Stamp "Jotoshomei"
s ->> s: Stamp "Ininjo"
s ->> b: Send "Inkanshomei(seller)", "Shaken", "Ininjo", "Jotoshomei"
b ->> y1: Get Inkanshomei(Buyer)
b ->> b: Fill buyer part of "Ininjo"
b ->> b: Stamp "Ininjo"
b ->> b: Write "Ownership Transfer" Form1
b ->> r: Go, submit
r ->> r: check the documents
r ->> b: New shaken
b ->> b: remove old number plates from car
b ->> r: bring old number place
r ->> b: give new number plates
b ->> b: mount new number plates on car
r ->> b: check frame number
r ->> b: Seal the number plate
b ->> b: go home