The district attorney (DA)'s Daughter Series 1

Cecilia is a half-elf girl who appears in Rune Factory 2 as a marriage candidate. Somehow she entered the modern world and became the adoptive daughter of Elliott and Olivia Stabler. She's now a grown woman while she joined the SVU team with her parents she meets David and later on got married and have a child. Then there daughter gets kidnapped and it's up to The blur to save her