My Daily Life Cannot Be Such a Protagonist

My name is Haru Uehara, and I am a time traveler. Someone else traveled through time, and both of his parents died at the beginning. He was bound to the strongest male protagonist system, and embarked on the royal route of marrying a beautiful girl and saving the world. I traveled through time, my parents are still alive, my family is harmonious, and I have a younger sister who is in junior high school in my hometown. The system came instead - "It was detected that the host does not meet the orphan start standards, the strongest male protagonist system failed to load, and the passerby development system continues to run." The daily tasks of this passer-by system are: being cut in line, being missed in roll call, and being borrowed and not returned. The reward is an umbrella that never gets your head wet and soap with 2.5 Times the cleaning power. Okay, I admit it. Passers-by are just passers-by. Anyway, my dream is to get into a good university, become a civil servant, and be supported by the country for the rest of my life. However, the system suddenly went crazy recently and issued a temporary mission: "At twelve o'clock tonight, a beautiful girl fell into the water in the Edogawa River. Please go to rescue her." The reward is a wish note - the kind that makes your wish come true when you write it down. …Wait a minute, isn't this style of painting not quite right?