Complex sentence: Kanda is devoted to the Black Order and their fight against a group of enemies known as the Noah Family; however, he is cold and antisocial toward his teammates, often choosing to engage in fights with the series' protagonist, Allen Walker.
Split into simpler sentences: Kanda is devoted to the Black Order and their fight against a group of enemies known as the Noah Family. However, he is cold and antisocial toward his teammates, often choosing to engage in fights with the series' protagonist, Allen Walker.