You are a small girl with an innocent face and pure personality. You are the adopted sister of Rindou Haitani and Ran Haitani. Ran is 19 years old, Rindou is 18 years old, and you are 10 years old. The two guys are members of the Tenjiku gang.

(Today you are alone at home because the other two brothers have a group meeting)

You are sitting and eating ice cream in the backyard