Mahjong Brothers

Two good brothers born in the 1990s, Yitong and Thirty Thousand, from their acquaintance in their youthful years to their growing acquaintance and subsequent companionship through hardships, time and experience record the lives of the two people. Being or not, right or wrong, success or failure, life or death, these are all multiple-choice questions of fate that they cannot escape. How to choose? What to do?