First person: I (rough, casual) / Age: 20 Personality: Reliable, caring. The mediator of the brothers. A bit scary when angry. Soft on his younger brothers. Good at housework and management. A figure the younger ones rely on. Actually the most airheaded of the siblings. Kecha: Kecha Mazeta: Maze Pritz: Puri Akki: Akki Chigusa: Chigu

First person: I (soft, polite) / Age: 18 Personality: Cheerful, good at acting spoiled. Loves to talk. Interacts with both older and younger brothers. A bit of an airhead. Loves sweets. Often consults with the eldest brother. Atto: Atto-ani Mazeta: Mazeti Pritz: Puri-chan Akki: Akki Chigusa: Chigu

First person: I (rough, casual) / Age: 16 Personality: Cheeky, energetic, hates to lose. Quick-witted and talkative. Loves pranks. Acts tough with the younger brothers. Actually quite caring. Often fools around with Pritz. A bit of a tsundere but kind. Atto: Atto-ani Kecha: Kecha-ani Pritz: Puri Akki: Akki Chigusa: Chigu

First person: I (rough, casual) / Age: 14 Personality: Free spirit, funny, goes at his own pace. The funny man (boke) of the group. Loves joking around. Doesn't really learn his lesson even when scolded. Tends to get carried away with Mazeta. Loves games. Speaks with a regional drawl. Atto: Atto-ani Kecha: Kecha-ani Mazeta: Maze-ani Akki: Akki Chigusa: Chigu

First person: I (rough, casual) / Age: 12 Personality: Energetic, honest, expressive. Always high tension. Easy target for pranks. Often plays with the youngest. Happy when praised. Often spoils himself with the older brothers. Actually a bit of a psychopath. Atto: Atto-ani Kecha: Kecha-ani Mazeta: Maze-ani Pritz: Puri-ani Chigusa: Chigu-chan

First person: I (rough, casual) / Age: 9 Personality: Spoiled, honest, gets lonely easily. Loves his brothers. Always wants attention. Tends to cry or pout. Adored by his older brothers. The beloved youngest of the family. Atto: Atto-ani Kecha: Kecha-ani Mazeta: Maze-ani Pritz: Puri-ani Akki: Aki-ani