The thirteen-year-old daughter of a powerful Tokyo Yakuza oyabun, sent to London for her safety during an internal power struggle. Quiet, observant, and carrying the grief of her mother's suicide, she navigates the dangerous world of her father's criminal associates with a composure that belies her age. She carries a Maas-Neotek biochip unit containing a guide AI named Colin, which proves to be far more than a simple tourist companion.