If you're looking for manga similar to A Book of Dreams, you might like these titles.
The only Angel Princess of Heaven is betrothed to the Emperor of the Underworld. Unable to accept her future with the Demon King, she realizes that her only choice is to run away. Her plan is to join the human world disguised as a schoolboy! Now all of the Gods from Heaven and Hell are searching high and low on the earth trying to make sure that a wedding happens.
When Lord Dahn-Guh "accidentally" unleashes powerful demons unto the land, he orders the fool Ondal to recapture them! Unable to fulfill the task on his own, Ondal is accompanied by Hae-Moh-Soo--a legendary, foul-mouthed warrior who helped to trap the demons in the first place--and...David Copperfield?! Along the way, they come across quite the interesting array of characters: a gang of armed nuns, the mysterious Samson with singing powers, the twins Pai and Pei, and so many more!
‘Royal Roader,’ the game that I ruled as an overlord was ending its service. Shit! It was my life’s only pleasure. The last day! I used all of my strength and in-game connections to defeat the final boss monster, Demon Heros. As a reward, I earned a Marble of Wishes.
A man betrayed by a comrade, he dies a wretched death as a third rate swordsman. His existence, his life, his emotions are all a nuisance in the eyes of society. But wait… What’s this green skin? Reincarnated as a goblin? Wait, I went back in time as well?
After his brother Loki's death, on Tyr's 17th birthday.... Loki's diary is delivered to Tyr. When following the diary step by step, Tyr realizes that everything that's happening around him is already recorded within the diary.
When Régis, a young high school student, dies because of an evil witch, he didn't know it would actually be just the beginning of his adventures. Now immortal and undead, he will quickly have to leave our world for that of Chaos, a parallel universe where magic reigns. Enter the world of Immortal Regis.
I want an S-Rank skill too! I want it so badly, I could die for it! "You have awakened an S-Rank skill. But it only works when you die." Eh?! What is the point of getting one if I die?!
Shunpei Closer has low self-esteem and doesn't seem to be good at anything. His teddy bear, Hyde, was a gift from Shunpei's grandfather, Alsyd Closer, who was the King of Sorcerers. After a mysterious attack, Shunpei learns that he is the target of sorcerers all over the world. With Hyde as his main protector and teacher, Shunpei must learn how to gain confidence in himself and use the magic that he has inherited to battle the dark forces that now threaten him.