Groups of Harems from Other Worlds

The protagonist Xu Yang gets a mysterious ruby ​​and a nine-day flame thunder tower, and wins the hearts of all the beauties in the school. However, something unexpected happens and a catastrophe occurs. Thunderstorms fall from the sky. One night, all the men and women in the school survive... When Xu Yang wakes up, he finds that he is no longer on the earth, but in Xuanyuan Continent... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.