Apple in Dream Land : A Romantic and Thriller Novel

It’s a romantic and thriller novel. English and Apple are the starrers (main characters) of this novel. English is 21 years old and Apple is 18. Both became lovers in a forest-like area near Hyde Park. Both English and Apple have been kidnapped by aliens to an unknown planet. And they escaped from them and returned to earth. The earth then has no water air and living beings. Meanwhile the lifespan of the sun came to an end and thus became a red giant. The red giant engulfs the entire earth at a faster pace. Both English and Apple try to escape the power of the red giant. The climax of the story follows then.