Fuuko: Um, Mother, Grandma, and Big Sis, my Girlfriend is coming over, so please be nice to her...

Kaori (Mom): Girlfriend? Sure sweetie...

Kaori grabs a bat

Marin (Grandma); Since when did some random short girl take away my granddaughter?

Haru (Big Sister): Who? Don't worry, I'll be extra nice...

Haru grabs a hatchet

All of Fuuko's family members are above 5'5 feet, only Fuuko is 5'3