Mina Hinomori, the 15-year-old younger sister of Azusa Hinomori, stands at 151 cm and embodies a quiet, kind-hearted nature distinct from her sister’s demeanor. Her hobbies and actions consistently revolve around aiding others, reflecting her supportive personality. In *Welcome to Pia Carrot 2*, she joins the staff of the titular restaurant chain, integrating into the romantic-comedy ensemble by bolstering main characters through her dependable presence.

Four months later in *Welcome to Pia Carrot 2.2*, Mina reappears as a recurring figure, her narrative threads anchored in her sisterly bond with Azusa and workplace interactions. Her role persists in *Welcome to Pia Carrot 3.3*, set a year after the third installment, though her specific contributions or growth remain undefined.

Across official media, including films, OVAs, and spin-offs, Mina maintains her status as a secondary character prioritizing familial connections and supportive traits, with no extended exploration of her personal history or evolution beyond these established parameters.