Mermaid's Egg

A rich dandy ended up alone on a deserted island and brought a merman back to life accidentally. The merman is no ordinary but the High Priest of the Deserted Isle Tribe! The arrogant boy, somehow, was trapped on the island and forced to hatch eggs... “I have my self-esteem!” “Ancient tribes are horrible... I have no choice but to trust Mr. Merman with my life...”

(Source: Webnovel)