Fated Family

Mortal AU - Bianca was pregnant via invitro and thanks to an anonymous donor. But she dies and Nico has to raise the twins Donny and Bia (after her late mother) alone. One day, he stumbles over their biological father Percy, who is a teacher and adopted three kids of his own. Things get kinda complicated when Nico falls in love with Percy. Nico/Percy slash Nicercy