Otonashi Kikuko♀

She is the daughter of the next-door neighbor of Akira and Naoko's older sister. She is Naoko's older sister, but they are just one year apart.

She has been married and left home by the time Akira can remember. Perhaps that is why she calls herself "auntie" to Akira. She is a former married woman who has recently left her husband and returned to her home, but the reason for this is a mystery.

She is a former married woman who left her husband and came back to Japan, but the reason is a mystery. She is a former married woman who left her husband and came back to Japan, but the reason for this is a mystery. However, like Naoko, she seems to think that Sho is still a child.

Unlike Naoko, she has a calm personality. She has a good looks, with long hair, big tits, and eyes that tickle a man's fancy. In addition, she can do everything from cooking to laundry. She is very caring, probably because she used to be a married woman.

[From official site]