hawk_(mechanical_buddy_universe)
Titular deuteragonist of Hawkeye in Love, a story set in Ishiyumi's Mechanical Buddy Universe.
An automated sentry gun armed with a sniper machine gun. Holds and reloads the machine gun 'manually' with mechanical arms, unlike most robotic sentry guns with integrated weapons.
It is given the nickname "Hawk" in the serialized manga "Mechanical Buddy Universe 1.0".