As the stronger of the two sisters, Akame is accepted into Gozuki's new Assassin squad, and is trained in the arts of espionage and combat, becoming a highly effective killer. Description from hero.wikia.com. I searched for this on bing.com/images
"Tatsumi is the main protagonist of Akame Ga Kill!. A young fighter who had set out along with two childhood friends to make a name for himself and earn money for his village, Tatsumi is a kindhearted person who wants everyone to live happily, but has no problem with becoming violent if his friends or his ideals are threatened."