Ran Mori, daughter of private detective Kogoro Mori and lawyer Eri Kisaki, endured her parents' separation in childhood. She primarily resided with her father while navigating a complex yet close bond with her mother, an upheaval that caused profound childhood distress. Immersed in her father's detective environment, she cultivated a fierce sense of justice and empathy, consistently advocating for victims and the vulnerable. Her protective instincts center on loved ones, especially childhood best friend Shinichi Kudo and Conan Edogawa, whom she shelters. This guardianship is reinforced by her elite physical prowess as a national karate champion. Ran attended Teitan Elementary School alongside Shinichi and closest friend Sonoko Suzuki, later advancing to Teitan High School. Her bond with Shinichi evolved into mutual romantic affection, though his sudden disappearance complicates their unspoken feelings. She persists in waiting for him despite vague explanations, frequently calling him and voicing loneliness. Daily, she manages her unreliable, gambling-prone father Kogoro, handles household duties, and worries over Shinichi's absence. After Conan arrives at the Mori Detective Agency, she becomes his primary guardian, forming a sibling-like attachment. She notices parallels between Conan and Shinichi in deductive skills and mannerisms, sparking suspicions of a connection, though others consistently dismiss her theories. Ran increasingly displays emotional resilience and maturity, confronting danger directly and deploying martial arts to defend others. Her patience and unwavering hope for Shinichi's return define her character, marked by moments of sadness and frustration yet anchored in loyalty. Her relationship with mother Eri improves through regular meetings and shared concern, though her parents' reconciliation remains pending. Exposure to criminals and life-threatening situations—often through ties to Shinichi or her father's cases—hones her courage and quick thinking under pressure. While inherently kind and trusting, she adopts sternness toward her father or when challenging injustice. She remains unaware of Shinichi's true circumstances: the Black Organization, the APTX 4869 drug that transformed him into Conan, or the full danger surrounding him. Her focus stays rooted in daily life—caring for Conan and her father, supporting friends, and longing for Shinichi's return.