Kenji Tsukino is the Earth father of Usagi Tsukino in the live-action series Pretty Guardian Sailor Moon. In stark contrast to his role in the source manga and anime, Kenji is almost completely absent from the main body of the live-action television series. His absence throughout the show is explained as being due to his demanding career, which requires him to be away from Tokyo on frequent and extended business trips. This leaves his wife, Ikuko Tsukino, to manage the household and their two children, Usagi and Shingo, on her own, a situation she sometimes teases him about during their phone conversations, though she ultimately expresses pride in his work.

Based on his portrayal in other versions of the story, Kenji is understood to be a hardworking and devoted family man. He is a classic Japanese salaryman, working as a magazine reporter and later as an editor-in-chief. He is generally kind and well-meaning, though he is known to be quite protective, particularly when it comes to his daughter. He does not know that Usagi is the Guardian Sailor Moon, nor is he aware of the magical conflicts she is involved in. Despite his absence throughout most of the live-action series, his fundamental personality is consistent with his other incarnations, which is that of a caring, if somewhat overprotective and traditional, father.

Kenji Tsukino’s most significant and defining role in the live-action universe occurs in the direct-to-DVD epilogue, Pretty Guardian Sailor Moon: Special Act. In this special, he makes his sole physical appearance in the continuity. The event of the Special Act is the wedding of his daughter, Usagi Tsukino, to Mamoru Chiba. After being away for the vast majority of the series, Kenji returns home to participate in this pivotal family moment. His appearance at the ceremony is brief but emotionally potent, as he is depicted crying at the wedding, overcome with the joy and sentiment of seeing his daughter get married.

Within the Tsukino family, Kenji’s primary relationship is with his wife, Ikuko. They maintain a warm and affectionate marriage, even with the strain of his constant travel. He is the father of Usagi Tsukino and her younger brother, Shingo Tsukino. While he cares deeply for both his children, his relationship with Usagi is a central point of his character. He is portrayed as seeing her as his little girl, and the idea of her growing up and having a serious romantic relationship is a source of anxiety for him. His absence throughout the main series and his emotional return for her wedding marks a significant off-screen journey, where he goes from the distant, working father to one who is present for the most important milestone in his daughter's life, suggesting his acceptance of her new adult life with Mamoru.

As a civilian with no magical abilities or knowledge of the Sailor Guardians, Kenji Tsukino does not possess any superhuman powers or combat skills. His role in the story is strictly that of a normal human father. His abilities are those of his profession, namely being a journalist and editor, and his primary function within the narrative is to serve as a parental figure and represent the normal, everyday family life from which Usagi comes. His notable role in the Special Act is to provide an emotional anchor for the wedding finale and to visually represent the father’s blessing, a key element in the traditional ceremony, thereby bringing a sense of closure and familial happiness to the series' conclusion.