I'm Not Your Husband, You Evil Dragon! - Chapter 4: Small Family

In his past incarnation, Lu Xuan was the youngest Celestial Lord that the universe has ever seen!
An accidental rebirth brought him back to a thousand years before, where the Earth had just begun its spiritual reawakening. When he stepped onto the way of cultivation for a second time, he swore to rewrite all injustices suffered in his past life, and defeat all enemies that dare stand in his way!
Let invincibility be his cultivation and the path he treads. In this life, it is his destiny to be invincible!

Recently, Xiang Changkong has been making food deliveries to Xu Lian. After delivering takeout after takeout, he eventually becomes the delivery.

- Description from Novelupdates

Doomsday Online has descended, reducing the entire Earth to a ruined playground. It is occupied by countless terrifying monsters.

A sudden and inexplicable transformation has caused the entire global population to be reborn in the struggle for survival on the Continent of Overlord.Each person reborn on the Continent of Overlord is randomly reincarnated as a species - some come to life as weeds only to be trampled to death by passing monsters, while others emerge as dominant beings like dragons, naturally ruling the skies...The Dark Creatures invade this other world with reckless abandon, instilling fear and dread across the realm.Reborn the night before the transition to the Continent of Overlord, Charles activates the Zerg Clan System, becoming the Overlord of the Zerg Clan!While others are still grappling with the darkness of the Continent of Overlord, Charles has already constructed a fortress spanning the entirety of Zerg Clan territory and casually wipes out countless Dark Creatures with a burger in one hand and a cola in the other....【Ding! A female has been detected as 100% loyal to the Host. The Zerg Clan System is awakening!】Zerg Queen Catherine: “Master, I've just bought a very thin nightgown. Would you like to experience it personally?”Snake Queen Medusa: “Master, I've already trained these troops for you. When will you train with me?”Snake Emperor Yggdrasil: “Cursed Medusa, don't think of stealing my master!”Elf Goddess Eve: “Silence, all of you! I'm the only true queen, you all are just concubines.”While everyone else struggles to survive and defend against the Dark Creatures...Only Charles raises the divine flame, waging war across the stars!