Do I Really Need to Do Sexual Activities Once a Day?

Story :  Chisa Kanzaki has been minding her own business and enjoying her studies at university when suddenly she finds herself struggling with a mysterious condition where she suddenly starts burning up and feels hypersensitive to everything. With no way of finding a cause to this condition, 3 medical researchers come to her aid. While there is no immediate cure, there is a surefire way to suppress the symptoms: be sexually active daily! Now Chisa has 3 different charming doctors all over her to help with her "unique" treatment...?!