Fourth-Dimensional Disaster, but Beginner-Level Match-3

On a friend’s recommendation, He Guang opened the game "Interstellar: Invasion of the Zerg Civilization." It was a story-based game where you cleared levels by matching tiles. He Guang, who loved stories but was hopeless at games, and was a level-ten matching-game enthusiast, thought, "Isn’t this the game I was born to play? Here I come, matching game!!" Wait, why didn’t anyone tell her she had to explore the map herself to complete the usual missions? A strange person showed up at First Military Academy. She was aloof and noble, but there was something wrong with her head. For example... She’d suddenly start walking into walls, liked to sleep while hanging from a wall when resting on the battlefield, and she even... Never took the stairs when going downstairs. He Guang, who got stuck with the camera angle and couldn’t find her way, couldn’t change her resting position and had to hang from walls, and thought using the stairs took too much time because all she wanted was to play matching games, cried, "Aaaah, exploring the map is such a pain!!" But no one could deny how powerful she was. The moment she got into a mech, this woman with something wrong in her head became an unstoppable force, wiping out entire armies as if she were using cheats. She took first place in the combat trial at the entrance exam and became student number 01. From then on, no one could knock her off her pedestal. An enemy that had survived a month of attacks without being killed was closing in on a human city. She arrived from the sky with reinforcements, fought the enemy for seven days and seven nights, and ultimately won. She was the savior of humanity, whose influence was gradually waning. He Guang, who had spent a whole week playing matching games at her computer: I’m seriously going to throw up. Just seeing a matching game makes me sick now. After deciding to take a proper break, He Guang shut down her computer. She closed her eyes, opened them again, and found herself transmigrated into the character from the second half of the game. At that moment, she was already hailed as humanity’s savior. Before transmigrating, He Guang had been in and out of the hospital every few days because of her work-related illness. Her physical condition was so terrible that her vision went black. She was doomed. Forced into a corner, she had no choice but to head to the battlefield. The instant He Guang touched the mech, a huge... appeared before her eyes. A matching game? He Guang: Ah, it’s still a matching game. You should’ve said so earlier. Then we’re good. * 1. The female lead is invincible. She’s basically a cheater. 2. The first half is the game, and the second half is transmigration. Saved on 2024.1.14 Theme: Human civilization comes above all else.