Diabolik lovers: pain is our love~

Ok so this story is about a boy named ren sakamaki! He's the son of Cordelia as well but he's not a triplet! Anyways ren is 18 years old and as you can see he's gay! Ren loves all of his brothers even his adopted ones! But what happens when he loves his one brother who loves to hurt himself too much? Will their love bloom or will a mysterious someone get in the way?