The letter from the future details the regret felt by everyone for being unable to celebrate Kakeru's birthday. As such, high school Naho and the gang pester Kakeru about what he wants until the big day. On the other hand, 26 year-old Naho and the gang gather at the late Kakeru's grandmother's house to celebrate his birthday, like they had promised in the past.
To know that he's needed.
.أنّه مطلوب
Ihm sagen,
dass er gebraucht wird.
que nous avons besoin de lui.
Voglio che sappia 
che qualcuno ha bisogno di lui.
que há pessoas que precisam dele.
Знает, что кому-то нужен.