Most people think that two people meet, know each other, and fall in love because of fate. When fate comes, they will naturally grow old together. However, some people think that meeting may be fate, but growing old depends on each other's luck. Xiao Ran said: "Chengyi, I probably spent a lifetime of good luck to meet you." So I really want to grow old with you, but it seems that my luck has run out at this time. ' Zhang Chengyi said: 'Then use everything I have in my next life in exchange. I am destined to protect you in this life! ' In fact, it's just that Xiao Ran was lucky enough to meet Zhang Chengyi who never left him at this time, that's all...