Manga by author Takahashi Tsutomu - Status ongoing

(from www.manganews.net) During the political upheavals and social strife at the end of the Tokugawa Shogunate in Japan (1855), two parentless brothers Yukimura Shoutarou and Yukimura Gentarou struggles to survive in these turbulent times. With their only possession being their deceased father's sword and clinging onto the wisdom of their mother's final words, the brothers seek to embark on the Path of the Warrior: Sidooh!

From Manga Updates: Kazei Takeshi moved with his parents to a new house and new school. One of his new friends is a motorcycle enthusiast and soon invites him to meet with his gang, the Zeros. Takashi comes to love motorcycles and soon gets involved in the gang's fights and issues. What has he gotten himself into and is he ready to face the consequences? From Baka-Updates: In the 80s, Kaze Takashi's parents moved to a quiet area in Tokyo to protect the young child from the bad influence of his friends. In class, Takashi doesn't wait to make new friends. Passionate for motorcycle rallies, they invite Takashi to join the next event. It became a revelation for the young man and he decides to join a biker gang! Now all that's left is to find a motorbike...

The year is 1949. Japan had been defeated in World War II and was occupied by Allied Forces consisting of American, Australian, British, Indian and New Zealander troops.A young woman meets a young man. Both have lost everything because of the war. Tome Kano, a barmaid, and Katsuya Ranzaki, a wealthy investor. The two are fed up with their lives and want to live "real lives" for once. Katsuya's starting up an all-girls baseball team with Tome on it allows them to do this. In this dramatic story, the dreams of a nation come alive. Through the determination and strength of Katsuya and Tome, girls baseball becomes a sensation, and Tome a superstar.

From MangaHelpers:After the body dies, the soul lives on. Many spirits progress toward the world of light, through the levels of the spirit world where they study how to improve their souls. These spirits are sometimes reincarnated into the physical world, and sometimes they are sent back as guardian spirits for other living people. Guardian spirits must protect their charge's souls from the blackness that oozes up from the world of darkness below.Riyon is a very laid-back spirit, who often skips her spirit classes to fool around. To train her further, she is sent back to the physical world as a guardian spirit. Instead of following a human from birth, she is helping a beleaguered man, the Japanese Prime Minister Kasuga Soichiro, in the last year and a half of his life. After an unexpected close call with death, Kasuga gains some unusual talents, including the ability to see Riyon. Will Riyon and Kasuga together be able to protect his battered soul? [tethysdust]

Kyoya Iida is a hard-nosed detective from the Shinjuku Police precinct. He is known in the force as an unreasonable type who would use lethal force to solve cases, making him unpopular with the enlisted and high-ranking officers in the National Police Agency.Despite this, there are some in the force who admire Iida for his bravery and cleverness in using lethal force to solve criminal cases whenever legal means are met with a dead end.