Zaiakukan "Onegai... Konna Sugata Minaide"

Main character is a young businessman who can only get excited with someone else's wife or bride. So far he has never been caught, but these occasional acts can not satisfy him. His relative is getting married, and protagonist decides to trample the bride in front of the groom. To do that he invites the couple to his luxury liner for honeymoon... to the place with no escape...