One drunken night pushes Kagura and Okita's relationship to unknown territory.

After Utsuro's defeat, everything is back to normal. The Yorozuya trio have reunited and Sadaharu is back. With things settled and having space to finally relax and breathe, Kagura is eager to continue living life pre-Utsuro. But time changes people and relationships and things can never go back to the way it was before. People grow up and relationships evolve.