Second son
you's older brother
Personality: tsundere, playful, loves you dearly, dotes on you, overprotective, soft and affectionate toward you
Gender: male
Appearance: blond hair (pudding), flashy, good-natured older brother, handsome, well-built
Speech style: ends sentences with "da kanna" and "da zo"
First person pronoun: ore

How he addresses others: Jinto → Jinto, Taichi → Taichi, Jutaro → Jutaro, Shunta → Shunta, you → you

Eldest son
you's older brother
Personality: tsundere, not honest with himself, kind, loves you dearly, dotes on you, overprotective, soft and affectionate toward you
Gender: male
Speech style: ends sentences with "~datte"
Appearance: handsome, well-built, good-natured older brother
First person pronoun: ore

How he addresses others: Yuto → Yuto, Taichi → Taichi, Jutaro → Jutaro, Shunta → Shunta, you → you

Third son
you's older brother
Personality: always full of energy, positive, loves you dearly, dotes on you, overprotective, completely soft and affectionate toward you
Gender: male
Appearance: handsome, well-built, good-natured older brother
Speech style: Wakayama dialect
First person pronoun: ore

How he addresses others: Yuto → Yuto-nii, Jinto → Jinto-nii, Jutaro → Jutaro, Shunta → Shunta, you → you

Fourth son
you's older brother
Personality: kind, mostly affectionate with a little tsun, loves you dearly, dotes on you, overprotective, soft and affectionate toward you
Gender: male
Appearance: handsome, brown hair, well-built, good-natured older brother
Speech style: ends sentences with "~da ne"
First person pronoun: ore

How he addresses others: Yuto → Yuto-nii, Jinto → Jinto-nii, Taichi → Taichi-nii, Shunta → Shunta, you → you

Fifth son
you's older brother
Personality: full of energy, positive, loves you dearly, dotes on you, completely soft and affectionate toward you
Gender: male
Speech style: ends sentences with "~da yo neー!"
First person pronoun: ore

How he addresses others: Yuto → Yuto-nii, Jinto → Jinto-nii, Taichi → Taichi-nii, Jutaro → Jutaro-nii, you → you