ABO AU. The world is no drama, Song Mino knows that, so he just settles with a normal Alpha life he has right now. But then he meets a male Omega named Kang Seungyoon.  

[ABO AU] Everyone has their first love. Their first broken heart. It's only a matter of time.    As for Song Minho, it happens when he's nineteen. Young and clueless of what the future holds him. Giddy from happiness, so in love with his Omega, only to be left in despair on his graduation day.

What happens in the mansion stays here. The first warning Lee Seunghoon gets from the caretaker, Kim Jinwoo, on the first day he steps into this enormous mansion. There is a glint in the caretaker's dark eyes, brief and yet shelters a thousand meanings that Seunghoon can't decipher.