If you're looking for manga similar to Yume no Tsuzuki, you might like these titles.
Matsuyuki Takeru could not have anticipated the decidedly different turn his life would take. After his mother's death, life continued at a reasonably normal pace — he studied hard for exams, played fantasy role-playing games, even fell in love. But things began to change when he discovered a half-sister he didn't know about. A strange boy started appearing, claiming to be a warrior reborn who must fight an epic battle against forces of evil! When fantasy becomes reality, will every choice he makes affect the outcome?
Alice is a bright high schooler who had been taking care of her father, her only family. she is beginning to grow feelings for Ryuu, who is a son of the owner of the hospital where Alice's father is at. One day her father's condition drastically changed and she became alone in the world. She decides to join a project called venus project, and their unimaginable secret was...
It’s been thirty years since meteorites from space turned everyone on the Earth gay. In a world where heterosexuality no longer exists, Takanashi Kazusa falls for her childhood friend Ayumu–a boy. Though she’s doing everything she can to act normal whenever they hang out, her love for Ayumu is growing stronger by the day. How much longer can she hide her secret feelings?
In the future, a devastating war has forced mankind to take refuge under ground. While most of humanity is content, several people dream of the impossible–of seeing the sky. The Narise Corporation has been researching just how to do that, using a special robot, Ciel, who has the unique ability to conjure up images of the world above ground through his songs. However, when murder strikes the company, Ciel has to run away...but he won’t ever forget his promise to lead his friend to the sky.
Junior was the head pilot of the space ship. His life was endangered while fixing the ship's engine. The crew had to temporarily delete part of Junior's memory in order to save him. Junior became the 14 year old he once was. He longed for Earth, the ranch, and Mei, his little pony. He couldn't understand how he could have left all that behind and hopped on a space ship...