Ginga Tetsudo no Yoru(2010)

Ginga Tetsudo no Yoru

Lonely, awkward Giovanni has a sick mother, an absent father and an afterschool job that keeps him from playing with his classmates. One evening, on the night of the Star Festival, he is magically transported by train through the galaxy with his best friend, Campanella.The boys share a fantastical journey to the stars, meeting mysterious characters who prompt them to think about the meaning of life. Only when Giovanni returns to earth does he learn the heartbreaking truth about their adventure.

(Source: Tuttle Publishing)