Please Take Your Girlfriend with You

The first genius killer of the Li family came into the world, and the first task assigned by his father was actually... … This is a world of mechas and a world of martial arts. We are on a journey, if we don't fight now, when will we wait? … I, Li Leng, killer code name: A bit cold. Now that I have entered the world and gained experience, I thought I could just sit back and relax, but the task my dad gave me was a bit difficult! What can we do? Can I still go home in my lifetime? (Note: Poujie Li expressed that he really likes "This Killer Isn't Too Cold") (Note: This book has an invincible and romantic aspect, but I promise to try my best to describe the fighting scenes and details about the mecha.)