Love Apartment: Genius Boy

(This book is written based on personal feelings, please don't criticize if you don't like it) Hu Yuxuan (22 years old), a young man from the earth, woke up and found that he had traveled through time, and it was his favorite Love Apartment 5, and he became Hu Yifei's younger brother and Zhan Bo's younger brother. In this world, he is rich and knowledgeable, but he receives strong confessions...