Growing up with an obsessive attraction to milfs, Ren Ling's long-held wishes come to fruition when fate, in the form of Truck-kun, sends him into the cycle of reincarnation.

He is reborn in a parallel world called "Nilhyme." Centuries ago, Heavenly trials ravaged this world, dragging its people into what seemed like heaven but was, in reality, a hellish realm filled with danger and monsters.

In this world, Ren Ling awakens the Heavenly Hentai System, a gift from a fallen angel of heaven-an ov