<□>Li Lei a□d □an□Meimei □ere tw□ advent□r□□s s□u□s who always sough□ exci□ement and thrill in t□eir lives. The□ wer□□best□□rien□s since childhood□an□ shared a pas□ion for exploring the unknown. O□□ d□y, as they w□re sit□in□ u□de□ the old □ak□□ree in t□e □ar□, H□□ □eimei □ad a□ idea that woul□ lea□ t□em on a new adve□tur□ that they would never□f□r□et.