Later, He Became A Royal Healer - Chapter 89 - Composing a poem.

In 2100 at the turn of the century the first full dive VMMORPG game 'Omega' was released

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!

Claire receives a strange dream the night before her 18th birthday, an unknown goddess offers her power as her paladin. This power comes with a “gift” Claire was not ready for, but if it means getting her brother back, then she'll master it. Join Claire and her party as they navigate adventuring, fighting against tyranny, and the gifts the goddess bestowed them.

Only a pure maiden can have a privilege to make contract with a spirit.

In Areishia Acadamy, maidens from noble family were gathered there, giving them an elite education to become a spirit contractor. A boy Kamito, by accident he peeped on a girl, Clair, who was taking a bath, and he even made a contract with spirit that she wanted.

Kamito was actually an irregular male spirit contractor, which should not exist.