Aquadine

Aquadine is a kinetic visual novel from developer SoftColors. Players control Robin Liyun, who adopts the alias Ciel to work as a gondolier, earning money for his mother's hospital bills. An encounter with a mermaid leads Robin to discover the existence of the ancient Aquadine civilization and its sea deity, Levios.

The narrative focuses on Robin balancing his dual life, forming friendships, and learning about merfolk culture.