"Ito Makoto, not smooth enough." "Sakuramai Shuu, way too chuuni." "Matou Shinji, too ordinary." "Sieg, completely useless."
"I learned one thing during my brief career as a viewer: the more stories you watch, the more you realize how incompetent the protagonists are!"
"What are you trying to say!?"
"The protagonist's a piece of trash. I could do a better job!"
"Fine, then you do it."
"???"
From that day on, this world lost one keyboard warrior and gained a traveler who transmigrated between different worlds.
"Damn it (in Chinese and Japanese), you let a seven-year-old take part in the Holy Grail War? You're one hell of a genius!" A certain harmless-looking seaweed-haired boy, only six years old, wore a dark expression.
Before he could finish complaining, his father came over with a timid little girl and introduced her. "Shinji, from today on, she'll be your little sister. Her name is Sakura, Matou Sakura."