If you're looking for manga similar to Yumeria, you might like these titles.
The veteran hero Ralph has been punished for his hubris by being dropped down to Level 1. Unable to level up whatsoever, all seems hopeless until he finds a helpful summoner. By having him summon girls to join the fight, perhaps the dark lord can be defeated yet...
Masumasu Academy, an Academic City floating in the Pacific, is home to children with mysterious powers known as "Fiction". "Fiction" grants them enhanced physical prowess, as well as one additional ability. What will happen when a time stopper, Kazuma, meets a cute girl with the ability to move at lightspeed, who knows and is searching for him?
Shimonone Takara, a young weird, healthy boy, has always wanted to be a "Strange Human". "Strange Humans" are people who posess an extraordinary power that can't be used by normal people. One day, Takara meets a woman named Aria who belongs to an organization. What does she want with him? Is Takara succesfully becoming a "Strange Human"?
By day, Aoi Kannazuki and Haruka Minazuki are mere students. Whenever danger strikes, however, the two transform into the Twin Angels, an unstoppable force for fighting crime. Will the Twin Angels be able to save their city, or perhaps even the world while maintaining their "secret" identities?
A noisy little family, a cheerful group of classmates, and a boy, born on the first year of the lunar calendar living a never changing life. Then one day he notices a girl in his class shrouded in mystery. Her name is Makina. However, the boy just can't seem to bring himself to talk to Makina. Then one day, before the first lunar calendar month, another mysterious beauty appears. Her name is Rushia, and as she leans in as if she is going to kiss him, she tells him about a mysterious power hidden inside him called "Snake Eyes"...
Invaders from another world are attacking the Earth, and humanity's only hope lies in special armors called Hybrid Heart Gears, or HHGs. Hida Kizuna might seem unexceptional, but he has a skill that can turn the tide of battle--by getting female HHG users hot and bothered, he can replenish their energy!
Nightmares are bad enough when asleep, but In Dream World, nightmares are real, physical monsters! Drake, Hanee, and Kyle fight these Nightmares with not only weapons, but "In Dream Cards". These cards have different elemental powers, and those who wield the cards are masters of their elements. Hanee and her friends must battle their way through the land of Nightmares to find their way home.