-----
Kabeiro was a Sea Nymph Demigoddess of Floods, she was Hephaestus' third wife, and a good friend of Aglaia, Hephaestus's first wife.
She was born as a young Sea Nymph, a descendant of Gaia herself, who created all Nymphs, Dryads, and other creatures of similar natures in the old Genesis.
Since her young age that her village was attacked by humans, due to the Sea Nymphs flesh and internal Mana Cores being precious cultivation materials for those ages of old, as the only survivor, she was lost in the seas of Genesis for many years, surviving against the abyssal monsters that inhabited that place until one fateful day she discovered a special underwater temple.
Check "The Protagonist's Sister Is Actually the Strongest"!