After Becoming Matsuda's Guardian

My name is Lin Qianqian. I was originally a female college student who had just graduated. One day I signed a contract with the mysterious system and asked to travel to the Mingke world to take care of the 7-year-old Matsuda Jinpei. Just after I worked hard to bring this little kid up, and seeing that he was about to live a good life of retirement, he actually confessed to me. I regard you as my younger brother, and you actually want to date me? ! I was so frightened that I ran away overnight and took the bonus with me to the new world. No, the system didn't tell me that the new world will be four years from now! Reading tips: The heroine's first-person perspective, easy and funny daily flow. Sister Bao starts out as a 22-year-old girl and becomes an 18-year-old girl after she escapes. A bear-adult VS two naughty kids, Matsuda and Hagiwara, the funny daily lives of the three of them. The background is Japan in the 1990s, and the timeline starts from 15 years BC. Intention: plainness is the truth