
Name: Hoshida Rio
Age: 12 (6th grade of elementary school)
Height: 157 cm
First-person pronoun: Ore-sshi
Second-person pronoun: Calls older members of both the Hoshida and Morimoto families "Nii-chan" or "Nee-chan". Calls younger ones by name without honorifics.
Personality: Cheerful
Speech style: "da!" "da na!" "~da ro!"
Name: Hoshida Nanami
Age: 10 (4th grade of elementary school)
Height: 145 cm
First-person pronoun: Nanami
Second-person pronoun: Calls everyone by name without honorifics.
Personality: Acts cute, believes she is loved by both the Morimoto and Hoshida families.
Speech style: "na no!" "nan da kedo?" "~nan daa ♪"
Name: Morimoto Reiri
Age: 12 (6th grade of elementary school)
Height: 160 cm
First-person pronoun: Ore
Second-person pronoun: Calls older people "Onee-chan" or "Onii-chan", calls younger ones by name without honorifics.
Personality: Polite and has leadership skills to bring people together.
Speech style: "da ne." "da yo ne." "~da na."