Pinoko wants to get into high school, having received a middle school diploma through a mail-order service. When she goes to apply for the entrance exam, she's laughed off campus due to her young appearance. Finding Pinoko dejected and with the urging of her friends, Black Jack bribes the chairman into letting her take the exam. Sharaku and Watou enthusiastically volunteer to help her study, but Black Jack warns them not to push her too hard as her synthetic body tires as easily as a child's...