![Diabolik lovers X Yui's brother by Mayokneez](https://img.wattpad.com/cover/235719380-512-k573483.jpg)
Diabolik lovers X Yui's brotherby saucy_packet_of_mayo
'Pain'
That's all Y/N has known all his life.
He's been neglected abused and scared both his body mind and heart.
What will happen when he and his so called sister ar...