A Girlfriend Comes to Me Every Month to Help Me Practice!

As fate would have it, a girlfriend comes to me every month. They are beautiful and powerful, and their purpose is to help me practice! Li Qingyan is gentle, cute and considerate. Xia Mengran is cold, domineering and arrogant! Yao Wanqing is smart, funny and has no scruples. ... With the help of his monthly girlfriend, Li Suran made great progress and reached an unprecedented peak!