You've Got Mail: A Cautionary Tale - Chapter 1 - The Affairs of Adviser Wu

Six months of continuous heavy rainfall has caused global floods.The Arctic glaciers melted, sea levels rose, and seawater flowed backward into rivers.Ancient viruses sealed in ice have been revived, leading to biological mutations and racial evolution.Everyone is trapped at home, unable to go outside.Liang Yuan unexpectedly awakens a Lottery System, which not only allows him to win various daily necessities but also different attributes.When everyone is struggling with a lack of food and clothing, Liang Yuan is enjoying steak, drinking red wine, and having a meat-filled diet every meal.A sexy and alluring neighbor, wearing a spaghetti strap bodycon dress, knocks on his door late at night: “Little brother, can you lend some food to your sister?”Liang Yuan: “Sis, isn't everyone short on food nowadays? Do you really just show up empty-handed to borrow food?”

Before her rebirth, Wei Luo was an innocent little girl.

After rebirth, she appeared lovable on the outside but was a different person on the inside.

Those who learned of her true nature yielded to her.

Only the prince regent regarded her as a treasure; no matter how much he pampered her, it was not enough for him.

Anything she wanted, he gave her, including the princess position that she didn’t want, which he stubbornly pushed onto her.

- Description from Novelupdates

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.

Zhou Yu, a reclusive otaku who did not like to go out of his house, was one day forced out of his house by a series of unexpected events.