Youth For-Get

"Live with Sincerity" is Taiyou Natsuki's motto. It's the first day of high school, Taiyou was heading to school and then he meets Hinata during the way there. He fell in love at first sight and suddenly confessed to her. Her answer was yes but then she ran away without saying who she was, but it turns out that she was his classmate. Taiyou felt a destiny between them. However, on the next day, she doesn't remember who he is. Why could that be...?

A manga by Mikabe Sesuna. Also known as Seishun For-Get!

Tropes

 * Amnesiac Lover: Kokage Hinata, had a condition that her memory resets within 24 hours. Basic info like her own name and age does not get erased. Really happy memories and academics are also unaffected.
 * Class Representative: Kodama Fusenji
 * Cuteness Proximity: Kokage Hinata
 * Excited Show Title!: It is written with an exclamation point.
 * Genki Girl: Kodama Fusenji
 * Hard Work Montage: In chapter 2, Taiyou's attempts to give Kokage happy memories so she can have memories of him.
 * Love At First Sight/Rescue Romance: Kokage saved Taiyou from a suicide jumper landing on him. When Taiyou had a good look at her after she saved him, he instantly asked her out and she accepted as quickly.
 * Meaningful Name: Taiyou means "sun".
 * Kokage means "shade".
 * Missing Mom: In chapter 1, Taiyou said his father's wife left.
 * Photographic Memory: Taiyou Natsuki has this.
 * Rope Bridge: A broken one as an obstacle in the treasure hunt in chapter 5. The girls crossed easily but the guys had trouble.
 * Supreme Chef: Taiyou Natsuki
 * Super OCD: Taiyou Natsuki
 * Tsundere: Kokage Hinata
 * Supreme Chef: Taiyou Natsuki
 * Super OCD: Taiyou Natsuki
 * Tsundere: Kokage Hinata