A midsummer night's dream manga

A Midsummer Night's Dream summary:

A collection of oneshots. 1st Story: Mountain Love - A story of a girl, who is under stress to get into a medical school and one day, falls in love with her doctor. 2nd Story: A Mermaid is Singing - A story of a boy, who tries to commit suicide (because of certain medical reasons) and a girl who tries to stop him. 3rd Story: Autumn Night's Dream - A story of an architect and a girl who helps him to realise his real dream. 4th Story: ECHO - A story about a girl who knows the people who killed their class president but is unable to express her own thoughts. 5th Story: The Sleeping Time Paradox