Yu Shian, a player on the school basketball team, aims to enter the national team.
Wen Junyu, keyboardist of the band, piano and music are his life.
Two people who are both popular figures in the school are attracted to each other and come together.
But later Yu Shian ruptured his tendon because of Wen Junyu, and he could no longer play basketball, let alone join the national team.
"You owe me this, Wen Junyu!"
Later, Wen Junyu injured his hand tendon while saving Yu Shi'an, and had to say goodbye to his beloved piano.
"I've paid off what I owe you, Yu Shi'an."
How could two people who were destined to be entangled with each other separate easily?
"Send you a little red flower,
Blooming on your new branches that grew yesterday,
Reward you for having the courage to take the initiative to talk to me.
Give you a little red flower,
Cover your new scar today,
Reward you for being willing to take me home on a rainy day.
Give you a little red flower,
Open to the end of the world where cattle and sheep are everywhere,
As a reward, you will never forget me no matter where you go.
Give you a little red flower,
The deepest sand in your heart,
Reward you for feeling the struggle of every destiny. "
Concept: Two-way love