Egg Star

A boy lives on a tiny planet with a flower as his only companion. He follows the flower’s advice and gets on a comet that takes him to Japan. He makes friends, finds work, and overall his life goes well. But one day, he hits a big wall. He doesn’t comprehend feelings that are normal to everyone else. He is disappointed in himself and no longer sees meaning in life. After going through suffering and doubt, what is the important thing that he finally finds? (Source: Manga Translation Battle Vol. 7)