If you're looking for manga similar to Fuuma no Kojirou: Yagyuu Ansatsuchou, you might like these titles.
Homura Takaya parents went bankrupt and received a large sum of money from their neighbor, the Shirakawas, one the worlds most distinguished and richest family. The only condition is that Takaya will go to the same school that his childhood friends, Shirakawa Nagisa and her older brother Shou, attends. But this is no ordinary school. Only strong people are in this school and their only rule is "power". Being slightly below average, Takaya must train himself to stay alive in this school.
Kuchina grew up with a scar he got when he and his sister was brutally attacked by the "savages". 10 years after the incident, he finally joined "WSD" (World Savior's Duty) as a "Stinger". Together with his new bizarre teammates, they will bring justice to the chaotic world---!
The world is completely changed when “Sacred King”, the military satellite created by the scientist Arthur, loses control. Arthur’s personal army, the “Trance Knights” have broken up, and other organisations are attempting to take control of the satellite. In the midst of these events, Arthur’s daughter Ley, who holds the key to the “Sacred King”, encounters Gawain, one of Arthur’s former knights.
In the 21st century, a new game has taken kids and adults alike by storm: Smash Bomber! In the city of Atamu, Bomber kids known as 'Bodz' duke it out individually and in teams to win special discs - one of which is a brash and spirited boy named Binta. Recently, rumors tell of a gang that uses rare golden discs to defeat their enemies, taking all the losing team's discs in the process. Alongside his Bomber companions, Binta will seek out this team and have plenty of battle training in the process!
Mutsumi Akira and Nana Negaro are Dragon Society Cardbearers investigating a string of murders in a neighborhood and during the battle they meet Guran Douma a.k.a the Mad Hand's White Dragon, Pylon, in his search for the "Rainbow Death Stanza" group.
After a series of bizarre incidents in his school, student Kometaki Okaka decided to investigate the cause of it.What he discovers will turn his world upside down.
Haruki Anjou, a policeman in the quiet town Nagashima, would rather spend his days slacking off and reading dirty magazines than enforcing the law. So when he receives news that a young, busty rookie from Tokyo is transferring under him, the perpetually single pervert thinks it’s a dream come true! There’s just one catch: she’s Kiruko Otonashi, an ex-mercenary with a gung-ho mindset and a penchant for destroying the neighborhood in the line of duty! Now Nagashima’s streets are anything but calm, and as Kiruko’s senior, it’s up to Haruki to rein her in, lest he lose his job!
Follows a villager named Lute who respects and wants to join the guild "Rebels Against God," which is comprised of people who reincarnated into the world and who fight against the Demon Lord's army. The story begins when one of the people Lute admires, Louis Crawford, appears.
Zan's father was a legendary swordsman who used a sword which had no blade. Ever since he died, Zan has wanted to follow in his father's footsteps. The manga begins with the boy transferring to a new high school. When pushed, Zan becomes super strong and has an incredible sword technique that allows him to beat his enemies.