If you're looking for manga similar to Tomorrows, you might like these titles.
Juju doesn’t remember anything – not even his name (it was the writing on his coffin) – and yes, he’s already dead. But he’s been revived and introduced to Liila, a girl with prehensile hair, and his right hand has been replaced, so there must be an adventure ahead!
Follows the angsty loner Liene, along with her two classmates--big-breasted Klara and cheerful Chiya--as they train to become first-class witches. In order to become a first-class witch of the Temperon Crowley association, they first have to make a contract with a demon, which costs the thing they cherish the most (generally assumed to be a girl's virginity). Liene wants to become a first-class witch so that she might have a chance of meeting the parents who abandoned her as a baby. However, she's going to have to learn that she can't do it alone. She'll have to cooperate with her first real friends, Klara and Chiya, and with her new demon companion Pelty.
Tete lives a peaceful life with his mother in a secluded, segregated village, but he longs for the adventure found in the books that his late father left for him. One day the boy meets Geeta, a young person who recently moved underneath the town bridge, and quickly finds the excitement he's longed for, as he soon finds himself in the middle of a dangerous hunt that involves Geeta, a mysterious man, and the power of life and death itself.
The Sukakus are a distinguished family of master shamans who rescue people from divine beasts. Thus the family had high expectations for young Mutsuki's future. But meanwhile, family ordinance dictated that his little sister Uzuki be under house arrest, because she lacked the natural ability that's necessary to be a shaman...
Sorata is an everyday boy, who loves a girl called Futatsugi. When he was in elementary school he saw a girl in his dream, and on the very next day Futatsugi, who looked just like that girl, transfered to his school. Sorata holds on to that memory, but after he finds out about Futatsugi and what power she holds, can he still say that he's in love!?
Average young girl Kazuki Suou lived a peaceful life with older brother Masaki. That is, until she met Shirou Kusanagi, a boy with secret knowledge of her past, and the dark contract Kazuki was a part of in a former life.