The innocent and brainless traditional Chinese painting girl Han Po and Pan Zixu were childhood sweethearts, and they knew each other well. They should have easily formed a romantic relationship, but there were too many misunderstandings and misses in the process of growing up, and eventually the two sides were in tit-for-tat for more than ten years. Until high school became a new turning point, new people appeared, and a new life was ushering in. Pan Zixu gradually discovered that he could no longer wait and let nature take its course, and perhaps should take the initiative... After decades of life, youth only lasts a few years. When he looked back at the past again, he discovered that many secrets happened inadvertently back then.