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.
On the other hand,
،ولكن من ناحية أخرى
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pero que cometa
un suicidio exitoso también lo es.
pero que logre suicidarse también lo es.
Mais à l’inverse, 
sa tentative pourrait lui être fatale.
Ma d'altra parte,
Ou então...
С другой стороны,