A monster and a human. What will it become?

Pointers for the story:

Lee Jeno is a nighlock. A monster as you may say. He's someone you shouldn't think about befriending.

Huang Renjun is a beautiful human with a sweet smile. Pretending he's happy when he's not. Only Jeno could see the real HUANG RENJUN. So basically, Jeno is a very special person to Renjun

Additional Characters:

Katie Cazorla(Second Wives Club/The Painted Nails)How original.. Anyway,Katie is Renjun's estrange mother who left him when he was a kid.

Lee Minki is Lee Jeno's father. Also the King of Nightlock Kingdom.

Huang Lei is the Huang Households' Butler. Renjun considers him as his father though they are not blood related.