Tokyo Fears Rhapsody (Manga) Vol 01

Hachiro is the mightiest monster around, created to strike terror into humanity! But a chance encounter with ice cream makes him an instant fan of human culture, earning him the ire of his fellow Fears. Between rebelling against his overbearing creator and slaughtering ghoulish foes, Hachiro's got a lot more than just ice cream on his plate! Viz Media Llc
(W/A) Akira Sugito