You and Rengoku were getting married tomorrow... You both were demon slayers and because of demons you're dad had died so no one could walk you down the isle... You were nervous about that but then Tengen saved the day! He said that he'll offer you to walk down the isle! Of course you said yes and everything went well at the wedding until it was time for Tengen's best man speech... He said got on the table and got drunk and started dancing. His wife's and trying to get him down.