Rebirth in the Apocalypse: the School Beauty Who Lives in a Shared House Is the Goddess of War Reborn

[Rebirth of the Goddess of War] [Survival in the End of the World] I, Ning Chen: In my last life, I was one of the strongest awakeners in Haicheng, and I died in the siege of mutant monsters. ---In this life, I am reborn, and I swear that I will lead everyone to uncover the truth of the end of the world, and I will lead everyone to survive! ---Um? I found out there was something wrong with the school girl I shared a house with. Her friend seemed to be a reborn person too. ***** I, Xia Siyu: In my last life, I was one of the ten gods of war in Great Xia. I fell due to losing to the mutant Zerg mother nest. ---After rebirth, I vowed to return to the top, Hmm... Wait a minute... Why is the plot different? Why does it feel like the guy I share a room with is a million times stronger? Hey... Sister, you might as well marry him so that he can take me flying!