My Brother Almost Died in the Parallel World

Uchiha Toshiyuki was informed by the alliance system that his eldest brother actually implemented the Eye of the Moon project in the parallel world. Seeing his psychotic brother from another world, Toshiro opened his eyes expressionlessly and copied it. When he was about to go back, he played it on a loop to his younger brother Izuna. This memory made them both laugh for a year. It is estimated that I won't be able to write an introduction in a short time, and it may not be possible. The whole text is in the first person. If you can't stand it, just comment. I'll change it. Purpose: Suffering in life is the recipe for growth