System, [Love] Me Again!

[System + Doomsday + Reversal] After binding the system, Liu Ying beat it and collected equipment every day - she relied on the magic pen to revise the draft, and passed the levels for interviews. She lived a happy life. Until thunder exploded, the smell of gasoline filled the air, and invisible meteorites flattened the city. When the system used its last energy to protect her, its core lit up eerily. On the ruins, aliens cover the sky and people with super powers are everywhere. Liu Ying held the last piece of equipment and heard the laughter in her mind: "Guess who is the 'Liu Ying' who crawled out of the core?" [In the early stage, the system was used to fight against daily life, and in the later stage, one punch penetrated the universe]