Lust System: Monster girl Harem - Chapter 21 - Threesome (+18)

Crying blood and tears, she pledged a poisonous vow. The gods did not fail her. She was sent back to a decade ago. The legitimate daughter of Jiang family returned from hell.

The eldest daughter of the Li family is beautiful and sassy, ​​she took space materials to flee famine, and after going through many difficulties in war, disease and epidemic, she united with her family to regain the glory and harvested a beautiful boy.

- Description from novelbuddy

Due to his own carelessness, Duanmu Huai finds himself transported into the world of the game “Star Ocean Online.” Starting from a humble core capsule, Duanmu Huai ventures across the starry sea to countless worlds. He awakens powers that have long been dormant, confronts threats lurking in the depths of the universe, and sets his sights on dominating the galaxy!