Xu Si Nian suffered from severe depression due to family reasons. He was afraid of affecting the friends around him, so he did not want to express himself. Until he reached high school, Lin Yu forcefully squeezed into his world without warning and became the only medicine for his illness. Later, he was forced to separate to help Lin Yu pay off his debts. When they reunited again, they were each other's only medicine.
Purpose: Heart disease requires heart medicine
