Cannon Fodder for the Settled Zerg

The whole text has been overhauled. My thoughts are in chaos. I will definitely come back when I sort them out (｀_?)ゞ —————————————————————— Copywriting: In order to save his cannon fodder brother, Xie Siran is bound to the cannon fodder system, Forced to play cannon fodder and go to various worlds to fix bugs, Finally, after thousands of missions, I finally retired. Happy+ending from now on! ? How is that possible! System: I don't agree! Xie Siran, who was tricked into becoming Si Ran, said: Haha! Who is afraid of who! The woman wears a man's body and is cold and world-weary. The man attacks × the reborn female marshal suffers. Warning△The protagonist's golden finger is thick△Xiaobaiwen△ Concept: Time is the best arrangement~