<□>Li Lei and Han Meimei w□re two adventuro□s s□ul□ who al□ays sought□excit□□□nt a□d thrill in □heir□lives. T□ey□wer□ best □riends since □hi□dh□od and sh□r□d□a passion for □xploring the unknown□ One day, □s t□ey w□re□s□tt□ng under□the old oak t□ee in t□e park□ Han Meimei ha□□an idea that would lead the□ on a new adventu□e □□at they □ou□d ne□er□forge□.□>□