Karasu by Machida Kazuya
Genre: Action, Adventure, Historical
Serialized: Young Gangan
Summary and Preview:
Taichi and his little brother Souji are orphaned beggars, struggling to have enough to eat. One day Taichi decides they need to become samurai and join the company of fighters popularly known as the "Crows". Even finding this group, however, is proving to be dangerous a goal for them.
Chapter 1 scan of Karasu