Chen Yin has a secret, she is a white platycodon flower that turns into a human.
Her flower language is "sincere love". As long as she touches this flower language, a petal will grow in her heart. If seven petals grow, she will become an unconscious flower.
She told the truth and her heart grew petals. She fell in love with someone and her heart grew petals.
When her heart grew six petals, she accidentally filmed her boyfriend committing murder.
She seems to be the only one who knows the answer to this unsolved case that has caused a sensation in the city.
But if she tells the truth, she will become a flower forever.
Purpose: Pursuing sincerity