A male protagonist who is good at oil painting and a female protagonist who loves photography lose contact after graduation. One night by chance, the female protagonist opened a photo album about a boy and traveled through time and space to the photo. The male protagonist also came here from a dream. The two of them changed back to the way they were when they were children and relived the good times. However, they never found out that the other person came from the future. It was not until the time travel in the 17th photo that the two of them went to prevent a car accident. After discovering the truth, the two people were looking forward to the 18th time travel, but the heroine disappeared and the boy kept waiting. After putting down the paintbrush for 364 days, he suddenly touched the paintbrush in class and remembered the truth about time travel. He returned to his hometown, completed the unfinished paintings before leaving, and entered the painting. The two finally met again.
Mission: No regrets, wishing everyone happiness