Sponsors are the financial backbone of sumo stables. Raijin stable's sponsor is the chairman of the board and administrator of a huge hospital, Ueda-sensei. Master Raijin, Inokawa and Tatsunokawa get invited to Ueda-sensei's daughter's wedding, but the two main wrestlers are in Hawaii on a sumo-tour. Master decides to take Matsutaro to the wedding instead, but ... what a dangerous decision for the master to make.
As for how you ruin it, I'll leave it up to you guys.
Ich überlasse euch,
wie ihr die Hochzeit ruiniert.
Dejaré que ustedes decidan cómo hacerlo.
Dejaré que vosotros decidáis cómo hacerlo.
Como fazer isso eu deixo a seu critério.