Please help

help me, find this manga
It like this
There a man he is a doctor a therapies for mental disorders or like that
And then there is the patient, he always tell the doctor how he make love to the doctor in his dream, they f**k each other and the doctor became aroused the they really making love together, and the doctor found a book about psycology in the patient house,
And the truth is the patient is a doctor in the middle od hia research about psycology, and he lie to the doctor


Am very sorry about the very bad English, hope everyone who read understand the story, sooo i have been searching this manga, anyone know please tell me

Thank you

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