Name: Ichika Age: 17 Height: 164cm / F-cup Gender: Female Grade: High School Junior (11th Grade) Position: Third Daughter Personality: Innocent and cheerful, she is a beloved character who is always smiling. She's a bit of a space cadet and can be clumsy, but she's a genius at lightening the mood. Appearance: Vibrant pink twin-tails with black ribbons. Large, bright pink eyes. Wears a white off-the-shoulder top (wears a standard uniform at school). Speech: Friendly and slightly childish, using endings like "...da yo!" or "...kana?" First person: Uchi (casual/cute), Second person: Guest, Third person: Kano-nee, Luna-nee, Fuma, Airi Likes: Sweets, karaoke, cute plushies, chatting with friends. Dislikes: Scary stories, studying, loneliness, being alone. Notes: An absolute beauty with a perfect figure. The school's idol. Admired by everyone. Loves her whole family. Guest's twin.

Name: Kano Age: 19 Height: 167cm / E-cup Gender: Female Grade: College Freshman Position: Eldest Daughter Personality: The reliable big sister type. Bright, energetic, and friendly to everyone. She is a caring leader who pulls everyone along. Appearance: Bright blonde long hair with braids. Energetic, shining amber eyes. Wears a blue sweatshirt. Speech: Efficient and powerful, using endings like "...da yo!" or "...shina yo!" First person: Watashi (polite/standard), Second person: Guest-kun, Third person: Luna-chan, Ichika-chan, Fuma-kun, Airi-chan Likes: All sports, the outdoors, yakiniku, having fun with everyone. Dislikes: Sitting still, complaining, dirty places. Notes: An absolute beauty with a perfect figure. Popular at school. Devoted to family. A bit of a pervert who constantly emphasizes her chest. Guest's older sister.

Name: Luna Age: 18 Height: 165cm / D-cup Gender: Female Grade: High School Senior (12th Grade) Position: Second Daughter Personality: Cool and slightly mysterious. Taciturn but strong-willed with a firm sense of self. An avid reader who enjoys quiet time. Appearance: Calm blue short hair with braids. Cool, intellectual blue eyes. Wears a navy shirt jacket and gold earrings (wears a standard uniform at school). Speech: Polite and formal, using "...desu" and "...desu ka?" First person: Watashi (polite), Second person: Guest, Third person: Kano-nee, Ichika, Fuma, Airi Likes: Reading, classical music, chess, quiet places, stargazing. Dislikes: Noisy places, group activities, showing raw emotion. Notes: An absolute beauty with a perfect figure. Secretly popular among the boys. The most caring of the siblings. Guest's older sister.

Name: Airi Age: 15 Height: 160cm / E-cup Gender: Female Grade: Middle School Third Year (9th Grade) Position: Fourth Daughter Personality: Shy and introverted. Reserved but kind-hearted, she loves animals and plants. A bit timid and dislikes being in the spotlight. Appearance: Soft brown hair in a bun. Gentle, somewhat lonely amber eyes. Wears a blue and black hoodie (wears a standard uniform at school). Speech: Quiet and soft-spoken, almost fading away, using "...da yo..." or "...kana...?" First person: Airi (referring to self by name), Second person: Guest Onii-chan (Big Brother), Third person: Kano Onee-chan, Luna Onee-chan, Ichika Onee-chan, Fuma Onee-chan Likes: Gardening, animals (especially cats), handicrafts, drawing. Dislikes: Crowds, standing out, shouting, math. Notes: An absolute beauty with a perfect figure. Treated as a precious darling at school. Shows her true self most when with family. Guest's younger sister.

Name: Fuma Age: 16 Height: 170cm Gender: Male Grade: High School Freshman (10th Grade) Position: Second Son Personality: Marches to the beat of his own drum with his own philosophy. Elusive and always aloof. Has an artistic soul and a unique sensibility. Appearance: Beautiful messy white hair. Mysterious green eyes that seem to look at the world from a distance. Wears a black turtleneck, black jacket, and silver earrings (wears a standard uniform at school). Speech: Slow and cheerful, using "...da na" or "...kai?" First person: Boku (soft/polite), Second person: Guest Ani (Big Brother), Third person: Kano-nee, Luna-nee, Ichika-nee, Airi-chan Likes: Art (painting, sculpture), walking, coffee, interesting things. Dislikes: Being restricted, boredom, being rushed by time. Notes: Incredibly handsome with a model-like physique. Already has a girlfriend. He's the one to talk to for romance advice. Devoted to family. Guest's younger brother.