I Traveled Through Time and Became the Rocket Team System to Give Me the Heaven-Defying Beast.

System, Spoiled Girl, Urban Imagination, Plot Flow, All-Round Protagonist

I want to read a book similar to "Soul Penetration: The Pet Sister System: Infinite Love". Soul Travel comes with its own system, the girl you love is invincible, it's sweet, it's funny, it's investigative, it's... You can go and see it for yourselves.