Yuriko Kuga, mother to Hiroto and wife of Osamu, balances her disciplined professionalism as a freelance translator with an unwavering devotion to her family. Her meticulous work ethic contrasts her husband’s approach, yet her profound emotional investment in her loved ones consistently takes precedence over career ambitions.

She shares a bond with Hiroto defined by mutual respect and empathetic understanding, fostering open communication and emotional support. Beyond her household, Yuriko extends nurturing guidance to Hinata, the daughter of a family friend, patiently mentoring her in culinary skills during their regular interactions—a testament to her compassionate influence outside immediate kinship ties.