I promise you a lifetime, only you are the date of return.
The mountains and seas have not changed. Where is my old friend? I will travel all over the mountains and seas to find you.
Two male protagonists: Gong (guimu) × Shou (unknown boy)
Purpose: With the friendship of close friends as the background, explore the truth of the past, confirm love in mutual redemption, and interpret the warmth and tenacity of "running in both directions".