Four years after their disappearance, the spirits of Yuri and Shingo decide to pay a visit to the Takanashi household to see how Yuuta and the girls have grown. After looking around the house, the pair go to observe each of the girls at their respective schools, learning that Yuuta and Sora are getting married to each other. Later, as Hina comes down with a fever, but luckily Yuuta and Sora are there to look after her. Afterwards, Sora and Yuuta give their thanks to Yuri and Shingo, who give their blessing before returning to the afterlife. (thetvdb.com)