We Without Wings - Under the Innocent Sky

It's winter in the big city of Yanagihara, and young people will meet and fall in love. Takashi is a boy who plans to escape to another world, but is held back by thoughts of his younger sister Kobato and girlfriend Asuka. Shusuke is a poor part-timer who has to work with student-author Hiyoko in spite of their initial dislike for each other. The antisocial Hayato makes his living as a handyman until he is visited by a girl name Naru.

Super sadly this is the only one of its kind