What's Wrong with Living Off My Girlfriend? My Sword Immortal Girlfriend Helps Me Speedrun the High Martial Arts World!

A thousand years ago, a bronze door appeared in the skies above Blue Star, towering in the heavens. Immortal energy poured from it, ushering in the Era of Martial Arts. A hundred years later, martial arts could advance no further. Those who ventured through the bronze door ushered in the Era of Immortality.

On the day they turn eighteen, everyone on Blue Star can enter the bronze door. By slaying the creatures within, they can exchange their kills for immortal arts, immortal pills, immortal techniques, immortal spells, and more...

Tang Xi acquired a Girlfriend System. Anything he gave his girlfriends would be returned to him as a reward multiplied tenfold, a hundredfold, a thousandfold, or even ten thousandfold.

From the start, Tang Xi was bound to another world: Jian Qingyu, a disciple cast out of the Eternal Sword Sect in the Heavenly Sword Province of the Immortal Sword Domain after losing her sacred physique.

Ding! Host gave girlfriend Fu Qingyu a Qi Refining Pill. Beginner's reward triggered. Ten-thousandfold reward triggered. Obtained a Nine-Turn Golden Pill.

Ding! Host gave girlfriend Fu Qingyu an incomplete Golden Core immortal art. Supreme reward triggered. Obtained the Great Dao immortal art, Desolate Thunder Scripture.

Ding! Fu Qingyu awakened an immortal physique, the Innate Sword Embryo. Ten-thousandfold reward triggered. Obtained the Great Dao immortal physique, the Chaos Sword Body.

One day, Tang Xi finally got to live off his Sword Immortal girlfriend.

When the myriad races invaded, Tang Xi suppressed the heavens with one hand and defended the human race. The myriad races all bowed to him.