It was spring in japan, blooming blossoming sakura trees everyware...it was mating/ breeding time  for most of animals...and people....including Demons and Demons Slayers...and Hashiras , it was like they need it...it was like...someone gived them viagra and steroids at once ...maybe this was why Tengen had three wives ?! It was first seasson for Rengoku...and he was more "blooming " that ussual...he made ...18+ jokes....and this jokes were ment to be heard by you...