Mikoto is a 25-year-old man and has worked as an emergency medical technician for the past 3 years. Mikoto also has a special ability. When he touches a person with his hand, he can see the last moment of that person's life.
Mikoto's family consist of his stepmother and 3 stepsiblings. He lives with his 3 stepsiblings, including older stepsister Sara. She is 27-years-old. Even though Sara is Mikoto's stepsister, he loves her. With Mikoto's special ability, he learns that Sara only has 1 year left to live. Mikoto vows that he will do his best to make her happy.
4-punkan no Marigold (2019)
Related
Both have the same concept of being able to see when someone dies and unable to prevent it. In about time, a clock on the persons body is used by the protagonist to tell when they will die.
Koishikawa Miki, a high school student, is told by her parents that they are getting a divorce and swapping partners with another couple. The other couple have a son called Yu, whom Miki becomes attracted to after moving in together.