The Daughter of the Elemental King

The Daughter of the Elemental King manga summary:

Her father is the Water Elemental King, a timeless being with absolute power. Her mother, a half-elf, is a talented wizard as well as an elemental mage. Born out of their overwhelming love for each other, her birth breaks the notion that elemental spirits cannot have descendants! From the author of “Tales of Arin”, an unexpectedly sweet story of joy unfolds! (Summary from Kakao, TL from Mini Mochie)