Head to [Coral Beach Field 2] and meet with [Tinnie] who's standing by the [Beach Volleyball Court]
This NPC does not ask for any items.
Eventually, there will be information here about this quest. For now, please enjoy this Tang poetry:
燕草如碧絲，秦桑低綠枝。
當君懷歸日，是妾斷腸時。
春風不相識，何事入羅幃？