A friendship that once seemed unbreakable proved so fragile in the face of love. One boy turned two inseparable best friends into bitter enemies, until they became strangers to each other. When Gu Xiansi was betrayed in both love and friendship, her good buddy Yi Sheng became the only light in her world, illuminating every path she wished to take. The “520 love letter” she wrote to the boy she’d loved so deeply in her youth was secretly kept, brought up, buried, and eventually forgotten in the depths of her memory…
