The female protagonist transfers to another school due to her father's job transfer, and meets the male protagonist who is cheerful and venomous in appearance, but has low self-esteem and sensitive heart, and hides a serious illness. Both of them pretend to be brokenhearted with optimism. After the college entrance examination, they started a four-year long-distance relationship. After finally entering the workplace, the male protagonist suddenly passed away. Later, the heroine picked up his camera and traveled all over the mountains and rivers for him at the wedding of her best friend and the hero's brother, capturing all the perfection in the world, leaving only her youth forever blank.
Intention: Youthful Regret