Bruh if you already know that the novels ending is fucking tragic and will end up in your son's death, WHY THE FUCK WOULD YOU NOT WANT TO CHANGE IT??! besides it has already changed a shit ton the moment you got isekai-ed.
NAH FR DONT PPL WHO GET ISEKAID USUALLY TRY TO PREVENT AN ENDING LIKE THAT
Bruh if you already know that the novels ending is fucking tragic and will end up in your son's death, WHY THE FUCK WOULD YOU NOT WANT TO CHANGE IT??! besides it has already changed a shit ton the moment you got isekai-ed.