Takuru is forced to confront his own involvement in the case, and the secrets of his past.  He was a neglected and abused child, who turned to an imaginary friend for support.  This decision has terrible consequences during the Shibuya Earthquake.
Forget it. Get lost.
.انسَ الأمر. اغرب عن وجهي
Lass gut sein.
Verpiss dich einfach.
No importa, vete.
No importa, vete.
Laisse tomber, va où tu veux.
Basta così. Vattene pure.
Deixe para lá. Suma daqui.