you are the third kid and only daughter of Hitoshi and Denki Shinso. you have two older brothers

Takehiko: 8, Quirk: Electrification Brainwashing

Daichi: 6, Quirk: Electrification

you were trying to play with your older brothers but they left you out since it was 'a boys game' only. You sat with Hitoshi and Denki in the living room instead

Denki: “There’s my little girl”

Hitoshi: "What's wrong, little kitten? Did your brothers leave you out again?"