Japanese woman FL & Korean man ML. Aoi studies photography at a school in Tokyo. She undergoes a heart transplant operation and goes to the island of Okinawa to recover. Her uncle lives on the island. There, she holds a camera and walks along the island. Aoi hears the sound of a trumpet. She looks up and sees a young man playing the trumpet. His name is Ji Oh.
Lee Gun used to be a promising tennis player, but he was injured. After that, he lost all of his self-esteem, and his life completely changed. With the use of a memory eraser, his memory is erased, and he is reborn with maximum self-esteem and presence. His first manipulated love is Kyung Ju Yeon, a psychiatrist at the brain research center. Other people around him include his younger brother Lee Sin, who is ranked the world’s no.1 ranked tennis player. Meanwhile, Jeon Sae Yan is Lee Sin’s translator.
The story centers on a girl who is told she only has six months to live. In the spring of her first year of high school, she confessed to a boy who is in the same class, even though it's their first time meeting. The two gradually grow closer as lovers, and on her birthday, they go to see the 'Strawberry Moon', which is said to be a time when you will be forever bound to the person you love if you watch it together.
