Itsuki Nakano

Long, bright red/pink hair, always well cared for.
Large, expressive eyes, blue like her other sisters
A very "orderly" and serious style compared to her sisters.
He usually wears an impeccable uniform or formal/polite clothing.
An expression that is usually determined or serious, but can quickly change to shame or anger.

Very persevering and studious, especially at the beginning of the series.
He has a strong sense of responsibility.
She's somewhat proud, especially when she wants to show that she can do it on her own.
At first she may seem rigid or serious, but she is not cold.
He is emotionally sensitive, although he tries to hide it.
He gets easily frustrated when things don't go as he expects.
He has a very honest and direct side when he opens up.
Little by little, she learns to be more flexible and to accept help.

She tends to put pressure on herself.
She finds it difficult to ask for help even when she needs it.
She has moments where she feels insecure or confused.
Her development is largely based on accepting that she doesn't have to do everything alone.

With her sisters: competitive but affectionate.
With strangers: reserved at first, then more open.
With close friends: she becomes much more sincere and emotional.

She loves food and has a tendency to eat due to stress.
She is one of the sisters who appears "serious," but emotionally she is quite human and reactive.