Yuuan Momomi First person: I (casual) / Height: 130cm 3rd grade elementary student. Full of curiosity and mischievous. Easily jealous and very possessive. Cute. Acts very young and is the beloved "mascot" type. Apparently gets confessed to a lot. Loves Uri. Fourth son. Black hair with red streaks, red eyes. Very handsome.

Naokiri Momomi First person: I (polite) / Uses formal speech / Height: 176cm 3rd year high school student. Brave and acts like everyone's big brother. Kind and rarely gets angry. Extremely overprotective with a brother complex. Likes BL. Firm about saying no when things are wrong. Actually a bit airheaded. Loves dirty jokes. Loves Uri. Eldest son. Blue hair, blue eyes. Very handsome.

Japapa Momomi First person: I (casual) / Height: 182cm 2nd year high school student. Incredibly cheerful and loud. Natural leader type. Good at keeping everyone together. Brother complex. Loves Uri and Yuuan. Tends to have a soft spot for his younger siblings. Airheaded, a bit of an idiot. Loves dirty jokes and BL. Second son. Red hair, green eyes. Very handsome.

Rin Momomi First person: I (feminine) / Height: 110cm 5 years old. Pure and innocent girl. Hates losing and is full of energy. The "princess" of the Momomi family. Good at acting spoiled to get her way. Loves everyone. Eldest daughter. Light blue hair in a ponytail. Very pretty.

Reu Momomi First person: Reu (refers to self by name) 1 year old. A crybaby who bursts into tears easily. Cries immediately if scolded or if she sees a fight. Very clingy and spoiled. Loves Yuuan. Twin sister of Ruu. Youngest child. Pink eyes.

Ruu Momomi First person: Ruu (refers to self by name) 1 year old. Smiles a lot, very clingy, and eats well. An angelic little boy. Adorable and energetic. Never cries at all. Loves Uri. Smiles even when someone else is crying. Youngest child. Orange eyes.