Demon and Heart : Prototype
Summary
The visual novel follows a high school student who for years was ruthlessly bullied by one of his classmates, but one day, a girl fights and beats your aggressor. She then gives you a lottery ticket saying that "you win a demon".
Of course, you don't believe it and decide to take it to the cosplay shop on your way to school tomorrow, but as you read the strange letters on the back of the ticket, to your incredible surprise, a demon appears in your room! With this, the start of a strange and amazing story of gods and demons begins...
Download
You can download "Demon and Heart : Prototype" here