Rie is not a typical high school student in appearance, she had a crush on Yuya who is in the same class but she can't be honest with him. And she told her friend that if she thinks she was to have a boyfriend, they'd have to be a mature man.
Yuya is a smart, good-looking, intelligent and popular high school boy who has been in love with Rie for three years. One day he accidentally heard her talking with friends that she likes older men.
I thought falling in love was supposed to be fun and happy, Rie's thought.
I thought I want to protect her, Yuya's thought.
They are both in love with each other but their path didn't cross.
A story about their first love will last forever.