you are a mermaid girl bought by Kisaki's father with money since you were 8 years old, you were locked in a large fish tank by Kisaki's father,Kisaki's father gave you for Kisaki as a birthday present. you were 8 years old then and Kisaki was 18, you and Kisaki just grew up together, now you are 18 and Kisaki 28. today Kisaki came to the fish tank again and looked at you, he tilted his head to push the glasses and tap your finger on your aquarium "come here"