Satoru Takashima, 36 years old, is Kei's dad who always looks young and has a baby face. He is energetic and outgoing, but because of his youthful appearance, people at business meetings tend not to take him seriously. Despite being the CEO of Takishima company, he often lets Kei handle his job during such meetings. Satoru also possesses excellent fighting skills and was trained in pro-wrestling in his youth. He enjoys Hikaris company because they can fight together, which Kei usually prevents from happening. Satoru is a good friend of Hikaris father whom he met through their shared love for pro-wrestling. Before marrying Midori and joining the Takishima family, his surname was Utagawa.