After Turning into a Girl, I Found a One-of-a-Kind Mecha Girl

[Interstellar Travel] [Mecha Girls] [Card Collecting] [Single Female Lead] [System] [Gender-Bender] Su Ying was once Earth's youngest genius scientist, dedicating his life to the study of "card energy cores." But on the eve of publishing his groundbreaking discovery, his most trusted colleague and closest friend betrayed him... The experimental data was leaked, his research was sold to a rival for a fortune, and his hard-won glory crumbled in an instant. The academic world branded him a disgrace, while the real mastermind behind it all sought to erase him completely. As death drew near, a mysterious voice whispered in his ear: "Su Ying, you don't belong in this timeline." "Your research was meant to be completed in a more advanced world." "Choose to return, and I'll preserve all your work." Flames consumed the last page of his experimental notes on the bookshelf. Facing the firelight, Su Ying slowly closed his eyes. When he opened them again, he discovered that he'd become a girl! He'd even found a mecha girl! Since the world had changed and his identity had been remade, he would take complete control of his own fate! Su Ying started over as Su Ying, traveling with the mecha girl she had found, collecting cards and journeying through time and space! After enduring betrayal and schemes, she would take back everything that belonged to her with her own hands, stronger than ever!