riika_rikkinen_(mechanical_buddy_universe)
Protagonist of Hawkeye in Love, a story set in Ishiyumi's Mechanical Buddy Universe.
Human paramour of Hawkeye, and granddaughter to the Parts Shop Geezer (mechanical buddy universe).
She is given the name "Riika Rikkinen" (リーカ・リッキネン) in the serialized manga "Mechanical Buddy Universe 1.0".