Aquadine

Aquadine is a kinetic visual novel about Robin Liyun, who works part-time as a gondolier under the alias Ciel to support his hospitalized mother. After a mysterious voice leads him to a mermaid, she dives underwater, leaving Robin to believe that Ancient Aquadine was real. The town is named after the ancient civilization in respect for its sea deity, Levios. Robin continues his double life, makes new friends and learns about the merfolk civilization.