Apple temptation.
As title.
My apple lover, if it weren't for you,
I may never meet my destiny in this life.
The male protagonist was decided from the beginning to be a certain plant-based prince - kelp
The heroine is not a time traveler, she is not omnipotent, and she is not an iceberg. She's just cute, but sometimes she's a little silly, and she loves fantasy, and even has low self-esteem. But at critical moments, he is extremely realistic and strong.