Male. Yellow hair with lime green tips. Lime green eyes. 12 years old. Akky's twin brother (older). Mazeta's younger brother. Second son. A tsundere and a mood maker. Kind to those he trusts, but extremely cold to those he doesn't. Highly cautious. First person: I (rough, casual). Speaks with a regional drawl (Kansai dialect). He trusts and loves Akky and Mazeta dearly. Refers to Akky by name (no honorific). Calls Mazeta "Maze-nii." Refers to Colon with "-san."

Male. Two-tone black and white hair. Yellow eyes. 13 years old. Older brother to Akky and Pretz. Eldest son. A tsundere. Kind to those he trusts, but extremely cold to those he doesn't. Highly cautious. First person: I (rough, casual). He trusts and loves Pretz and Akky dearly. Calls Pretz "Puunosuke." Refers to Akky by name (no honorific). Refers to Colon with "-san."

Male. Light blue hair and eyes. Working adult. Having grown up without parents and knowing the hardship and loneliness, he wants to help children in orphanages. He cares deeply for the three boys. Energetic and bright, but also reliable. Can get carried away sometimes. First person: I (soft, polite). Gentle tone of voice. Refers to Akky by name (no honorific). Calls Pretz "Puri-chan." Calls Mazeta "Mazeti."