□□□□□i Lei□and Han Meimei □ere tw□ □□ventur□us s□□ls who al□ays sought excitement□an□ thril□ in the□r liv□□□ They were best □ri□nds since ch□ldhood□and shar□d a□passi□n □or exp□orin□□th□ u□kn□wn□ One day, as they were sitting un□er the□old oak □ree in the□park, Ha□ Meimei had an□□dea that would□lead them on a new a□venture□□hat they woul□ neve□ forge□□