21: Two One

21: Two One is a visual novel adventure game originally released for PC with adult content which is then ported to Dreamcast. Story After losing you mother to an illness, one day you decided to become a doctor and give your best to help other people not go through the same pain and ordeal. Your name is Takuya Kirishima, and you lived up to your expectations and became a skilled surgeon who can perform any surgery without a problem. But patients still die, and you may not be able to save them all...