Sugaya Risako-chan. Her dignity is really special!
Judging by her looks, at least... (′∀｀)
Takahashi Ai-chan. She's actually an adult by age,
but also her way of thinking and personal
charisma make her seem mature!
Niigaki Risa-san, Mano Erina-san.
Takahashi Ai-san, Natsuyaki Miyabi-san.
Original Japanese text is here.