Help?

manga about a brain surgeon who stops practicing because his lover died on the operating table (it was during a thunderstorm) and he feels responsible, so he basically becomes a hermit who is afraid of storms then one night a boy comes to his house stays for a few days, and the doctor falls in love with him, but one day the boy collapses and when the doctor calls his other doctor friend he discovers that the boy was a former patient that he thought was a girl, so he rushes him to the hospital to do the operation on him, and they stay happily in love.