I Was Unmasked After Saving the World

When she was little, all the girls her age loved sparklers. Su Xingxing loved the Ultraman Flashing Brace. The girls wanted to become magical girls. Su Xingxing wanted to be a superhero. Even after growing up and becoming an office worker, she was still one who believed in the light. - [Ding! Your Superhero System is now online.] [Main Quest 1 received: Save the world.] Su Xingxing: "That first main quest sounds a little difficult." [Side Quest 1 received: Help an old lady cross the street.] Su Xingxing: "...Why are these two quests so different in difficulty?" - A mysterious masked heroine appeared in Z City whenever danger struck. She threw herself into all kinds of dangerous situations, rescuing countless citizens from peril. From a street thief snatching someone's bag to a vicious criminal committing murder and arson, Whenever anyone was in trouble, she would be there. She was the nightmare of countless criminals. When an overbearing CEO was kidnapped and on the brink of death, she burst through a window. "Wait, at least tell me your name. Who are you...?" She slowly turned around and said, word by word: "My name is Lei Feng." - Everyone affectionately called her the Girl of Dawn. She was the first light after a long, endless night. - Uphold justice, guard her secret identity, and match wits with the bad guys. Living an ordinary life by day, becoming a hero to save the world by night. That was Su Xingxing's daily life. But while completing mission after mission with flying colors, Su Xingxing suddenly realized that her fanbase seemed to have spread across the world. There was Girl of Dawn merchandise, Girl of Dawn fanfiction, even Girl of Dawn movies. New things were popping up all the time. The coworker who had always looked down on her was a die-hard fan of the Girl of Dawn. The Girl of Dawn's signature outfit was sold out at the mall. Her difficult, menopausal boss was the head of the Girl of Dawn fan club. When she got home, she found her parents, who had once looked down on her for being a fan, putting up Girl of Dawn posters on the wall. Then one day, Su Xingxing's secret identity was exposed. The world fell silent. Then a second later, it erupted. Everyone turned into a doting mom or dad, sobbing as they crowded around her. "My girl / baby / angel! Mom loves you! You've worked so hard!" - "When I was little, I was caught in a fire." "A firefighter wearing his uniform came through the flames and held out his hand to me amid the scorching heat." "I took his hand, saw the blue sky and white clouds again, and returned to the world of the living." "Then he turned and went back into the fire. He never came out again." "At that moment, I told myself:" One day, I would become a hero just like him. - A story about an extremely chuunibyou girl who gains superpowers through a System, becomes a superhero, saves the world, and wins the world over in the truest sense after her secret identity is revealed. Mary Sue, pure wish fulfillment, no logic, painfully awkward, chuunibyou, and a warning that it stacks on lots of tropes. -For the childhood dreams of heroism we all once had. Theme: All for one, and one for all.