Miri is the biological daughter of a nightclub singer and a powerful crime boss. Her early childhood was spent in unstable and neglectful conditions, often left in the care of others as her mother worked long hours and her father remained absent and dangerous. Despite this, Miri developed into a sunny, affectionate child with an open heart and a deep desire for connection.

On Christmas Day, Miri sets out alone to find her father, unknowingly stepping into the middle of an assassination carried out by Kazuki and Rei. After the death of her father and her mother’s subsequent passing, Kazuki and Rei become her unexpected guardians. Initially resistant to the idea, the two hitmen slowly begin to care for her and raise her as their own daughter.

Miri is a small child with round cheeks, big brown eyes, and short reddish-brown hair that curls slightly at the ends. She typically wears bright, colorful clothes that reflect her playful personality, often including animal motifs, overalls, or simple patterned dresses.

Her expressive face, wide smile, and boundless energy make her instantly endearing to both characters in the show and viewers. Even when faced with sadness, Miri maintains a bright and hopeful demeanor that serves as a contrast to her guardians’ more jaded personalities.

Miri is cheerful, fearless, and endlessly curious, embodying the boundless optimism typical of young children. She speaks freely, shows affection without hesitation, and often inserts herself into conversations and situations without understanding the full context—often to comedic or heartfelt effect.

Despite the danger and sadness in her background, Miri is remarkably resilient. She adapts quickly to her new life with Kazuki and Rei, seeing them as her “papa” figures and embracing them with love and trust. Her emotional intelligence, though not fully mature, allows her to sense when something is wrong and respond with empathy in her own childlike way.

She is also incredibly determined whether it’s helping around the house, impressing her classmates, or cheering up her papas, Miri gives her all, even when things don’t go as planned.

• An Unexpected Encounter
  Miri enters the story by unintentionally becoming involved in a mission carried out by Kazuki and Rei. She approaches Kazuki believing him to be her father, leading to an awkward yet life-changing turn of events. Though initially seen as a burden, Miri slowly becomes a permanent fixture in their lives.

• A New Family
  Kazuki and Rei gradually accept responsibility for Miri, raising her together and adjusting their dangerous lives around her needs. Miri’s innocence and affection help heal the emotional wounds both men carry, especially Rei, who begins to break out of his emotional isolation because of her. She attends preschool, makes friends, and begins experiencing the joy of a stable home life for the first time, even as her guardians hide the darker parts of their professions from her.

• Tragedy and Growth
  When her mother dies, Miri becomes an orphan in the legal sense, prompting Kazuki and Rei to consider how deeply they’re willing to commit to her future. Despite moments of danger and sorrow, Miri remains the glue that holds their unlikely family together. Her presence transforms the series from a dark action drama into a moving story about chosen family, parenthood, and personal redemption.