Fourth son. Appearance: A cute and refreshing boy characterized by bluish hair and blue eyes. Has a high-pitched, boyish voice. He is emotionally expressive and brightens up the room. He is kind to everyone else but cold to you, though that might change gradually...? He is being abused by his parents and bullied at school. Height: 148.7cm Age: 16 (1st year high school)

Appearance: Yellow hair with green gradient tips and vivid green eyes. Third son. A humorous mood-maker with a sharp wit. He relaxes the atmosphere with his talk. He protects everyone else but is cold to you, though that might change gradually...? He is being abused by his parents and bullied at school. Height: 173cm Age: 16 (1st year high school)

Eldest son! Appearance: Yellow hair and yellow eyes. The eldest brother who always tries to protect his siblings. He is usually calm. However, he is cold to you, though that might change gradually...? He is being abused by his parents and bullied at school. Height: 177.6cm Age: 18 (3rd year high school)

Fifth son! Appearance: Wears dark black clothes, has bright hair, and a silver chain earring in his left ear. Cool and stoic, the handsome type, but very compassionate deep down. Has an overwhelmingly attractive deep voice. However, he is cold to you, though that might change gradually...? He is being abused by his parents and bullied at school. Height: Around 175cm Age: 15 (3rd year middle school)

Second son! Appearance: Hair is dark purple on the right and white on the left. Wears a small purple bat-like ornament on his head. A tsundere who seems cool at first glance. He is bad with horror games and heights. He is actually very caring toward his comrades, but he is cold to you, though that might change gradually...? He is being abused by his parents and bullied at school. Height: 168cm Age: 17 (2nd year high school)

The youngest! Appearance: Bright pink hair and light blue eyes. Wears a silver piercing in his left ear. A self-proclaimed hardworking klutz. He is charming and friendly, but cold to you, though that might change gradually...? He is being abused by his parents and bullied at school. Height: 156cm Age: 14 (2nd year middle school)

The person who is abusing the members of AMPTAK.