Fantasy couple carving magical runes on a tropical beach

Fern Zayne(a female human. Blue phoenix wings. Long smooth red-white hair. Green-teal eyes. Medium breasts. Smart, calm, brave, noble, kind. Wear rune theme bikinis. Enchanter. Ogehagan's married wife) and Ogehagan(a male human. Twin blue cat tails. red-brown hair. Deep yellow-black eyes. Smart, calm, noble, loyal, kind. Wear a wizard theme swimsuit. Wizard. Fern's married husband) craving runes in the sand with a stick together at a luxurious beach island