Library

Human history is extremely brilliant; prehistory is still magnificent. What kind of sparks will come out of the collision between the prehistoric civilization where the weak can eat the strong and the otaku who want to return to modern times?

The collision between the senior sister who claims to have lived three times, the protagonist who was reborn as a boy, and the three thousand worlds here is obviously the beginning of invincibility, but why do you still talk so much, senior sister, even though you have been sealed? !