Katawa Shoujo

The story takes place at the Yamaku High School for disabled children, The player takes the role of Hisao Nakai, an ordinary boy whose life changes dramatically after a heart attack caused by his cardiac arrhythmia. After a hospitalization, he is forced to transfer to a school specialized in providing education and healthcare for disabled students. Over the course of the narrative, Hisao has the opportunity to come to grips with his condition and adjust to his new life. (wikipedia.org).