Shi Lao Si is a man with underworld connections who once pursued Su Xiaoxiao for three years. He is described as truly loyal, and when Su Xiaoxiao contacts him after rebirth to request weapons, he eagerly agrees. He owns several entertainment clubs and has access to illegal arms. Though rough around the edges, he is reliable and quickly procures the necessary firearms. His affection for Su Xiaoxiao motivates him to help despite her previous rejection. He plays a key role in her apocalypse preparations, providing her with the means to defend herself. His willingness to assist without question shows his devotion.
