 Shukumaru is Shuhei from the present, and he had been found and raised in the past all along, thus he is not her biological brother.Suzuko doesn't feel guilty about what happened to Shukumaru, however, when he tells her how much he's enjoyed his life in the past.From there, Suzuko and Shukumaru use the same gas explosion that sent them back in the time the first time to travel back to Shukumaru's time again, and the story ends as Shukumaru announces they have a wedding to attend to.