Rooster Fighter, Volume 2 (Rooster Fighter #6-10)

Keiji, the superpowered rooster, continues his quest to find the demon that killed his sister. Determined to spare others from a violent death, he refuses to allow himself any companions. But a young fan and an old flame have their own reasons for wanting to join him. Given the ferocity of his new foes, Keiji may need the help!