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.
Kakeru passed away the 
day after Valentine's Day.
.توفي كاكيرو في اليوم التالي ليوم الحب
Kakeru verstarb am Tag
Kakeru murió
un día después de San Valentín.
Kakeru murió
un día después de San Valentín.
Kakeru a disparu 
le lendemain de la Saint-Valentin.
Kakeru se ne andò 
il giorno dopo San Valentino.
O Kakeru faleceu um dia depois
 do Dia dos Namorados.
Какэру умер через день после
Дня святого Валентина.